Heat advisories issued across U.S. in August and September

Multiple heat advisories were issued across the United States from 2026-08-21 through 2026-09-02, with dangerous temperatures and heat index values reaching 95 to 107 degrees Fahrenheit affecting various regions including Idaho, Tennessee, Georgia, and West Virginia.

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Extreme Heat Warning issued August 21 at 3:55AM PDT until August 21 at 8:00PM PDT by NWS Las Vegas NV

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* WHAT...Dangerously hot conditions with high temperatures 104 to 108 and near record warm overnight low temperatures this morning. * WHERE...In Arizona, Hualapai Mountains. In California, Cadiz Basin, Eastern Mojave Desert, and Morongo Basin. In Nevada, Northeast Clark County, Southern Clark County, and Western Clark and Southern Nye County. * WHEN...Until 8 PM PDT /8 PM MST/ this evening. * IMPA

Extreme Heat Warning issued August 21 at 3:55AM PDT until August 23 at 8:00PM PDT by NWS Las Vegas NV

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* WHAT...Dangerously hot conditions with temperatures up to 115 to 118 degrees expected through Death Valley and the lower Colorado River Valley, with highs between 107 to 110 degrees elsewhere. Near record warm low temperatures expected in urban areas. * WHERE...Lake Mohave, Lake Mead, Lower Colorado River Valley / Lake Havasu, Northwest Deserts, Death Valley National Park, and Las Vegas Valley.

Heat Advisory issued August 21 at 6:34AM CDT until August 22 at 7:00PM CDT by NWS Houston/Galveston TX

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* WHAT...Heat index values 108 to 112. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Locally higher heat index values are possible, especially in Chambers, Liberty, San Jacinto and Polk Counties. If forecast heat indices trend higher, then an Excessive Heat W

Heat Advisory issued August 21 at 11:54AM CDT until August 22 at 8:00PM CDT by NWS Lake Charles LA

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* WHAT...For the first Heat Advisory, heat index values from 109 to 111. For the second Heat Advisory, heat index values from 110 to 112 expected. * WHERE...Lower Iberia, Lower St. Mary, East Cameron, Lower Vermilion, and West Cameron Parishes. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Saturday. * IMPACTS...Hot temperatu

Extreme Heat Warning issued August 21 at 11:54AM CDT until August 21 at 8:00PM CDT by NWS Lake Charles LA

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values from 113 to 114, as well as high temperatures from 103 to 105. For the Heat Advisory, heat index values up to 112 expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat A

Heat Advisory issued August 21 at 12:09PM CDT until August 22 at 7:00PM CDT by NWS Norman OK

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* WHAT...For the first Heat Advisory, heat index values up to 107. For the second Heat Advisory, heat index values up to 109 expected. * WHERE...In Oklahoma, Harmon, Jackson, and Tillman Counties. In Texas, Archer, Baylor, Foard, Hardeman, Knox, Wichita, and Wilbarger Counties. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from 1 PM to 7 PM CDT Sa

Extreme Heat Warning issued August 21 at 12:09PM CDT until August 21 at 9:00PM CDT by NWS Norman OK

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107. For the Heat Advisory, heat index values up to 110 expected. * WHERE...In Oklahoma, Cotton County. In Texas, Clay County. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 1 PM to 7 PM CDT Saturday. * IMPACTS...Heat related illnesses increase significant

Heat Advisory issued August 21 at 12:21PM CDT until August 22 at 8:00PM CDT by NWS Little Rock AR

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* WHAT...For Friday, heat index values up to 108 expected. For Saturday, heat index values up to 106 expected. * WHERE...Bradley, Cleveland, Desha, Drew, Lincoln, Calhoun, Clark, Dallas, Ouachita, and Pike Counties. * WHEN...For Friday until 8 PM CDT this evening. For Saturday from 11 AM to 8 PM CDT * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 21 at 12:51PM CDT until August 22 at 8:00PM CDT by NWS Fort Worth TX

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 108. For the Heat Advisory, heat index values up to 107 expected. * WHERE...Hunt, Hopkins, Rains, and Van Zandt Counties. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 8 PM this evening to 8 PM CDT Saturday. * IMPACTS...Heat related illnesses increase sig

Extreme Heat Warning issued August 21 at 12:58PM CDT until August 21 at 8:00PM CDT by NWS Jackson MS

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of northeast Louisiana and central, south central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CDT Saturday. * IM

Heat Advisory issued August 21 at 12:58PM PDT until August 24 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Temperatures 90 to 97 for Inland Orange County, 90 to 102 for inland San Diego County, 98 to 106 for the Inland Empire and 89 to 99 in the mountains. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From 10 AM

Heat Advisory issued August 21 at 1:09PM PDT until August 21 at 10:00PM PDT by NWS Pendleton OR

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* WHAT...Hot conditions with afternoon high temperatures of 90 to 100 degrees. This will pose a moderate risk of heat-related illness. * WHERE...In Oregon, Central Oregon, John Day Basin, Foothills of the Northern Blue Mountains of Oregon, and Grande Ronde Valley. In Washington, Yakima Valley, Lower Columbia Basin of Washington, and Foothills of the Blue Mountains of Washington. * WHEN...Until 10

Heat Advisory issued August 21 at 7:05PM CDT until August 21 at 8:00PM CDT by NWS Jackson MS

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* WHAT...Heat index values of up to 110 degrees expected. * WHERE...In Arkansas, Ashley and Chicot Counties. In Mississippi, Holmes, Humphreys, Leflore, Bolivar, Sunflower, and Washington Counties. * WHEN...For the Heat Advisory today, until 8 PM CDT this evening. For the second Heat Advisory Saturday, from 11 AM to 8 PM CDT Saturday. * IMPACTS...Hot temperatures and high humidity may cause heat r

Heat Advisory issued August 21 at 7:05PM CDT until August 22 at 8:00PM CDT by NWS Jackson MS

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 degrees. For the Heat Advisory, heat index values up to 110 degrees expected. * WHERE...Portions of northeast Louisiana and central, south central, southwest, and west central Mississippi. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 11 AM to 8 PM CD

Extreme Heat Warning issued August 21 at 9:35PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with temperatures up to 115. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday, August 28. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal will limit relief from the heat.

Heat Advisory issued August 21 at 9:49PM PDT until August 22 at 7:00PM PDT by NWS Spokane WA

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* WHAT...High temperatures ranging from the mid to upper 90s resulting in Moderate to Major HeatRisk. * WHERE...Moscow, Lookout Pass, Colville, Fernwood, Gifford, Deer Park, Hayden, Coeur d'Alene, Bonners Ferry, Post Falls, Lapwai, Rockford, Metaline Falls, Sandpoint, Fruitland, Cheney, Springdale-Hunters Road, Flowery Trail Road, Dobson Pass, Davenport, Metaline, Peck, Wallace, Fairfield, Newport

Heat Advisory issued August 22 at 2:43AM CDT until August 23 at 7:00PM CDT by NWS Midland/Odessa TX

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* WHAT...Temperatures up to 105 expected. Overnight low temperatures near 80. * WHERE...Western low rolling plains, Borden, and Howard. * WHEN...From 1 PM this afternoon to 7 PM CDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

Extreme Heat Warning issued August 22 at 12:45AM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 108 to 114 expected. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL D

Extreme Heat Warning issued August 22 at 1:51AM MST until August 22 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Special Weather Statement issued August 22 at 4:20AM CDT by NWS Brownsville TX

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The combination of hot temperatures and humidity levels will produce heat index values between 105 and 110 degrees for several hours this afternoon into this evening. A few locations may briefly experience heat index values at or above 111 degrees. If spending time outside, drink plenty of water, wear light weight and light colored clothing, and take frequent breaks from the heat. Young children a

Heat Advisory issued August 22 at 2:56AM PDT until August 24 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Temperatures 90 to 97 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 98 to 106 for the Inland Empire and 89 to 100 in the mountains. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-The Inland Empire, San Diego County Mountains, San Diego County Valleys, and Santa Ana Mountains and Foothills. * WHEN...From

Heat Advisory issued August 22 at 10:24AM CDT until August 22 at 7:00PM CDT by NWS Corpus Christi TX

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* WHAT...Heat index values up to 112 expected. * WHERE...Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, and Victoria Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 22 at 11:15AM CDT until August 22 at 8:00PM CDT by NWS Fort Worth TX

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* WHAT...Heat index values up to 108. * WHERE...Bosque, Cooke, Falls, Freestone, Hill, Limestone, McLennan, Montague, Leon, and Robertson Counties. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities.

Heat Advisory issued August 22 at 11:37AM CDT until August 23 at 8:00PM CDT by NWS Lake Charles LA

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* WHAT...For the first Heat Advisory, heat index values up to 111F. For the second Heat Advisory, heat index values up to 111F expected. * WHERE...Portions of central, south central, southwest, and west central Louisiana and southeast Texas. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Sunday. * IMPACTS...Hot temperatures a

Heat Advisory issued August 22 at 12:25PM CDT until August 23 at 7:00PM CDT by NWS San Angelo TX

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* WHAT...For the first Heat Advisory, temperatures between 105 and 109 expected. For the second Heat Advisory, temperatures between 105 and 109 expected. * WHERE...The Big Country, Heartland, and Concho Valley. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 1 PM to 7 PM CDT Sunday. * IMPACTS...Hot temperatures and humidity may cause heat illne

Heat Advisory issued August 22 at 12:34PM CDT until August 22 at 9:00PM CDT by NWS Amarillo TX

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* WHAT...Temperatures between 105 to 109 degrees. * WHERE...Armstrong, Carson, Collingsworth, Donley, Gray, Hemphill, Hutchinson, Palo Duro Canyon, Roberts, and Wheeler Counties. * WHEN...For the first Heat Advisory, until 9 PM CDT this evening. For the second Heat Advisory, from noon to 9 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 22 at 12:41PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS

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* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, south central, southwest, and west central Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause he

Heat Advisory issued August 22 at 12:44PM CDT until August 23 at 7:00PM CDT by NWS Midland/Odessa TX

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* WHAT...Temperatures around 105 expected. Overnight low temperatures near 80. * WHERE...Northeastern Permian Basin and Western Low Rolling Plains. * WHEN...Until 7 PM CDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses. Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

Extreme Heat Warning issued August 22 at 11:02AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected through Tuesday and then widespread Extreme to Major HeatRisk Wednesday through Saturday. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima Coun

Extreme Heat Warning issued August 22 at 11:42AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 113 expected. Major to Extreme Heat Risk. * WHERE...San Carlos. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Heat Advisory issued August 22 at 1:48PM CDT until August 22 at 7:00PM CDT by NWS Norman OK

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* WHAT...For the Heat Advisory today, heat index values up to 106. For the Heat Advisory Sunday, heat index values up to 108 expected. * WHERE...Portions of central, northern, northwest, southern, and western Oklahoma. * WHEN...For the Heat Advisory today, until 7 PM CDT this evening. For the Heat Advisory Sunday, from noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cau

Heat Advisory issued August 22 at 1:10PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

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* WHAT...For the Heat Advisory, temperatures up to 94. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 98 possible and moderate to major HeatRisk. * WHERE...San Bernardino County Mountains. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase signi

Heat Advisory issued August 22 at 2:25PM PDT until August 25 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 107 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 112 possible. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, from 10 AM Sunday to 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase signific

Extreme Heat Watch issued August 22 at 2:25PM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Dangerously hot conditions with temperatures up to 112 possible. * WHERE...Antelope Valley, Cuyama Valley, Eastern Antelope Valley Foothills, and Western Antelope Valley Foothills. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Heat Advisory issued August 22 at 6:40PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS

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* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central northwest, southwest, south central and west central Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 11 AM to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnes

Heat Advisory issued August 22 at 7:35PM PDT until August 25 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 94 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 100 possible. * WHERE...Catalina and Santa Barbara Islands, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Malibu Coast, Palos Verdes Hills, Santa Barbara County Southeastern Coast, Santa Barbara County Southwest

Extreme Heat Warning issued August 22 at 11:06PM CDT until August 23 at 7:00PM CDT by NWS Austin/San Antonio TX

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* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Sunday afternoon. Temperatures up to 105 are expected Monday through Wednesday. * WHERE...Bastrop, Burnet, Caldwell, Fayette, Gonzales, Lavaca, Lee, Llano, Travis, and Williamson Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT Sunday. For the Heat Advisory, from 7 PM Sunday

Heat Advisory issued August 22 at 11:12PM CDT until August 23 at 8:00PM CDT by NWS Corpus Christi TX

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* WHAT...Heat index values up to 113 expected. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Live Oak, McMullen, and Victoria Counties. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity

Heat Advisory issued August 22 at 11:23PM CDT until August 24 at 7:00PM CDT by NWS Houston/Galveston TX

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* WHAT...Peak heat index values of 106 to 112 and temperatures generally in the 100 to 104 range in the afternoons. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Locally higher heat index values are possible. If forecast heat indices and or temperatures trend h

Heat Advisory issued August 22 at 11:39PM CDT until August 23 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...Heat index values up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 8 PM CDT Sunday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

Extreme Heat Watch issued August 22 at 9:43PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Temperatures 90 to 97. * WHERE...San Bernardino County Mountains above 6000 ft. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses.

Heat Advisory issued August 22 at 9:43PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

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* WHAT...Temperatures 90 to 98 for Inland Orange County, 90 to 102 for the San Diego County Valleys, 100 to 107 for the Inland Empire and 89 to 100 in the mountains. Temperatures increase slightly for the middle and end of next week, making for a prolonged and dangerous stretch of heat. * WHERE...Orange County Inland Areas, Riverside County Mountains, San Bernardino and Riverside County Valleys-Th

Heat Advisory issued August 23 at 1:11AM CDT until August 23 at 7:00PM CDT by NWS Midland/Odessa TX

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* WHAT...Temperatures around 105 expected. Overnight low temperatures near 80. * WHERE...Western low rolling plains, Borden, and Howard. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures may cause heat illnesses. Extreme heat will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

Extreme Heat Watch issued August 23 at 12:06AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 99 expected. For the Extreme Heat Watch, dangerously hot conditions with temperatures up to 104 possible. * WHERE...Cuyama Valley. * WHEN...For the Heat Advisory, from 10 AM this morning to 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during ex

Extreme Heat Warning issued August 23 at 12:13AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 106 to 118 expected. Major to Extreme Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...Until 8 PM MST /8 PM PDT/ Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without inter

Heat Advisory issued August 23 at 5:17AM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

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* WHAT...Temperatures in the mid to upper 90s below 5000 ft MSL. * WHERE...San Bernardino County Mountains. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses.

Extreme Heat Watch issued August 23 at 5:17AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with temperatures up to 93 possible. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight lows around 5 to 7 degrees above normal will limit relief from the heat, especia

Extreme Heat Warning issued August 23 at 11:15AM CDT until August 24 at 7:00PM CDT by NWS San Angelo TX

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* WHAT...For the Heat Advisory, temperatures of 105 to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures of 109 to 111 expected. * WHERE...Callahan, Fisher, Haskell, Jones, Nolan, Shackelford, Taylor, and Throckmorton Counties. * WHEN...For the Heat Advisory, until 7 PM CDT this evening. For the Extreme Heat Warning, from 1 PM to 7 PM CDT Monday. * IMPACTS...

Extreme Heat Warning issued August 23 at 11:59AM CDT until August 24 at 8:00PM CDT by NWS Lubbock TX

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* WHAT...For the Heat Advisory, temperatures up to 107 expected. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 113 expected. * WHERE...Dickens, Garza, Kent, King, and Stonewall. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during e

Extreme Heat Warning issued August 23 at 11:59AM CDT until August 23 at 8:00PM CDT by NWS Lubbock TX

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* WHAT...For both warnings, dangerously hot conditions with temperatures up to 113 expected. * WHERE...Childress, Cottle, Motley, Briscoe, and Hall. * WHEN...For the first Extreme Heat Warning, until 8 PM CDT this evening. For the second Extreme Heat Warning, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Extreme Heat Warning issued August 23 at 10:23AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 105 to 116 expected. Major to Extreme Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, New River Mesa, Rio Verde/Salt River, and Superior. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat relat

Heat Advisory issued August 23 at 12:39PM CDT until August 24 at 8:00PM CDT by NWS Midland/Odessa TX

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* WHAT...Temperatures of 104 to 109 degrees expected. * WHERE...Northeastern Permian Basin and Western Low Rolling Plains, including Borden, Howard, Mitchell, and Scurry counties. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures may cause heat illnesses.

Extreme Heat Warning issued August 23 at 12:47PM CDT until August 23 at 8:00PM CDT by NWS Norman OK

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* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with heat index values or temperatures up to 110. For the Extreme Heat Warning on Monday, dangerously hot conditions with heat index values or temperatures up to 114 expected. * WHERE...Portions of southern and southwest Oklahoma and northern Texas. * WHEN...For the Extreme Heat Warning today, until 8 PM CDT this evening. For

Heat Advisory issued August 23 at 12:47PM CDT until August 24 at 8:00PM CDT by NWS Norman OK

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* WHAT...For the Heat Advisory today, heat index values up to 108. For the Heat Advisory Monday, heat index values up to 109 expected. * WHERE...Murray County. * WHEN...For the Heat Advisory today, until 8 PM CDT this evening. For the Heat Advisory Monday, from noon to 8 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 23 at 12:49PM CDT until August 23 at 8:00PM CDT by NWS Jackson MS

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* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, east central, north central, northwest, south central, southeast, southwest, and west central Mississippi. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.

Extreme Heat Warning issued August 23 at 11:45AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with temperatures 98 to 104 degrees expected. Overnight lows 71 to 78 degrees. Major HeatRisk is expected Tuesday through Saturday with isolated Extreme HeatRisk. * WHERE...Eastern Cochise County below 5000 feet, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...From 10 AM Tuesday to 8 PM MST Saturday. * IMPACTS...Heat relate

Extreme Heat Watch issued August 23 at 1:54PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with temperatures up to 95 possible. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...From Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight lows around 5 to 7 degrees above normal will limit relief from the heat, especia

Extreme Heat Warning issued August 23 at 1:54PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with temperatures up to 113. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Overnight temperatures 5 to 8 degrees above normal will limit relief from the heat.

Extreme Heat Warning issued August 23 at 5:20PM CDT until August 24 at 7:00PM CDT by NWS Austin/San Antonio TX

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* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Monday afternoon. Temperatures up to 105 are expected Tuesday and Wednesday. * WHERE...Bastrop, Burnet, Llano, Travis, and Williamson Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT Monday. For the Heat Advisory, from 7 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Heat relat

Heat Advisory issued August 23 at 5:20PM CDT until August 26 at 7:00PM CDT by NWS Austin/San Antonio TX

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* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 this afternoon. Temperatures up to 105 are expected Monday through Wednesday. * WHERE...Caldwell, Fayette, Gonzales, Lavaca, and Lee Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT this evening. For the Heat Advisory, until 7 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase

Extreme Heat Warning issued August 23 at 4:36PM PDT until August 26 at 11:00PM PDT by NWS Hanford CA

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* WHAT...Dangerously hot conditions with high temperatures up to 108 expected. Morning low temperatures between 75 and 80 degrees will provide little relief at night. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...From 5 AM Monday to 11 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Heat Advisory issued August 23 at 7:11PM CDT until August 26 at 7:00PM CDT by NWS Austin/San Antonio TX

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* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Monday afternoon. Temperatures up to 105 are expected Tuesday and Wednesday. * WHERE...Bastrop, Burnet, Llano, Travis, and Williamson Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT Monday. For the Heat Advisory, from 7 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Heat relat

Extreme Heat Warning issued August 24 at 7:24AM PDT until August 28 at 8:00PM PDT by NWS Las Vegas NV

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* WHAT...Dangerously hot conditions expected through the work week, with temperatures up to 115 to 118 across Death Valley and the Colorado River Valley; up to 108 to 112 across Moapa Valley, the Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to 90 to 95 in the Hualapai Mountains. Overnight lows will be in the upper-80s to low-90s for desert valleys. * WHERE...Portions of northwe

Heat Advisory issued August 24 at 10:00AM MDT until August 25 at 9:00PM MDT by NWS El Paso Tx/Santa Teresa NM

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* WHAT...Max temperatures of 104 to 107 expected, warmest in the Lower Valley below Fabens. * WHERE...The Lower Valley in southeastern El Paso County, down through Hudspeth County. * WHEN...until 9 PM MDT this evening, then Tuesday from 11 AM to 9 PM MDT. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...The advisory includes Fabens, Tornillo, Fort Hancock, and Indian H

Extreme Heat Warning issued August 24 at 12:26PM CDT until August 24 at 7:00PM CDT by NWS Austin/San Antonio TX

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* WHAT...Dangerously hot conditions with temperatures up to 107 and heat index values up to 110 are expected Monday afternoon. Temperatures up to 105 are expected Tuesday and Wednesday. * WHERE...Bastrop, Burnet, Llano, Travis, and Williamson Counties. * WHEN...For the Extreme Heat Warning, until 7 PM CDT this evening. For the Heat Advisory, from 7 PM this evening to 7 PM CDT Wednesday. * IMPACTS.

Heat Advisory issued August 24 at 12:41PM CDT until August 25 at 8:00PM CDT by NWS Lubbock TX

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 113. For the Heat Advisory, temperatures up to 107 expected. * WHERE...The Rolling Plains and the extreme southeastern Texas Panhandle. * WHEN...For the Extreme Heat Warning, until 8 PM CDT this evening. For the Heat Advisory, from 1 PM to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase signific

Extreme Heat Warning issued August 24 at 1:23PM CDT until August 24 at 8:00PM CDT by NWS Norman OK

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* WHAT...For the Extreme Heat Warning today, dangerously hot conditions with temperatures or heat index values up to 114. For the Heat Advisory Tuesday, heat index values up to 109 expected. * WHERE...Portions of southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...For the Extreme Heat Warning today, until 8 PM CDT this evening. For the Heat Advisory Tuesday, from 1 PM to 7 PM

Heat Advisory issued August 24 at 1:23PM CDT until August 25 at 7:00PM CDT by NWS Norman OK

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* WHAT...For the Heat Advisory today, heat index values up to 109. For the Heat Advisory Tuesday, heat index values up to 109 expected. * WHERE...Pontotoc, Atoka, and Coal Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Extreme Heat Warning issued August 24 at 1:30PM CDT until August 25 at 9:00PM CDT by NWS Fort Worth TX

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* WHAT...For Monday, Dangerously hot conditions with temperature values up to 111 expected. For Tuesday, dangerously hot conditions with temperature values up to 107 expected. * WHERE...Portions of North Texas and Western Central Texas. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those

Extreme Heat Warning issued August 24 at 1:30PM CDT until August 24 at 9:00PM CDT by NWS Fort Worth TX

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperature values up to 107. For the Heat Advisory, temperature values up to 103 and heat index values up to 105 expected. * WHERE...Portions of Central and East Texas. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 9 PM this evening to 9 PM CDT Tuesday. * IMPACTS...Extreme heat

Extreme Heat Warning issued August 24 at 12:44PM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 95. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 102 expected. * WHERE...Catalina and Santa Barbara Islands, Los Angeles County Beaches, Los Angeles County Inland Coast including Downtown Los Angeles, Malibu Coast, Palos Verdes Hills, Santa Barbara County Southeastern Coast, Santa Barbara County Southwestern Coa

Heat Advisory issued August 24 at 12:44PM PDT until August 25 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 101. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 105 expected. * WHERE...Cuyama Valley. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperat

Extreme Heat Warning issued August 24 at 1:57PM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 116. Major to Extreme Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death. * ADDITIONAL DETAILS...In Maricopa County, call 2-1-1 to find a free cooling center, tran

Extreme Heat Warning issued August 24 at 2:00PM PDT until August 26 at 11:00PM PDT by NWS Hanford CA

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* WHAT...Dangerously hot conditions with high temperatures up to 108 degrees expected. Morning low temperatures between 75 and 80 degrees will provide little relief at night. Major to Extreme Heat Risk is expected during this time. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly du

Heat Advisory issued August 24 at 2:08PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

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* WHAT...For the Heat Advisory, high temperatures in the 90s expected. For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 90s to 104 expected. * WHERE...San Diego County Mountains County. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase si

Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...For the Heat Advisory, high temperatures in the 90s expected. For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...Santa Ana Mountains and Foothills County. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses incr

Heat Advisory issued August 24 at 9:05PM MDT until August 25 at 7:00PM MDT by NWS Midland/Odessa TX

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* WHAT...For the Davis, Guadalupe, Chinati, and Delaware Mountains, temperatures up to 99 expected. For the Davis Mountain Foothills, Marfa Plateau, and Central Brewster County, temperatures up to 104 expected. For Central and Southern Lea County, as well as Andrews, Gaines, Ward, and Winkler Counties, temperatures up to 107 expected. * WHERE...Portions of southeast New Mexico and southwest and we

Extreme Heat Warning issued August 24 at 10:04PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 105 expected. * WHERE...Apple and Lucerne Valleys County. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief

Heat Advisory issued August 24 at 10:04PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Temperatures in the mid to upper 90s below 5000 ft MSL. * WHERE...San Bernardino County Mountains below 6000 ft. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit relief from the heat. Increasing temp

Heat Advisory issued August 24 at 10:04PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA

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* WHAT...For the Heat Advisory, high temperatures in the 90s in the western valleys to around 105 in the far inland valleys. For the Extreme Heat Warning, dangerously hot conditions with high temperatures in he upper 90s to 109 expected. * WHERE...San Diego County Valleys County. * WHEN...For the Heat Advisory, until 10 AM PDT Tuesday. For the Extreme Heat Warning, from 10 AM Tuesday to 8 PM PDT F

Extreme Heat Warning issued August 25 at 12:09AM CDT until August 25 at 7:00PM CDT by NWS Norman OK

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* WHAT...Dangerously hot conditions with high temperatures up to 113 and heat index values up to 113 expected. * WHERE...In Oklahoma, Jefferson, Cotton, Jackson, and Tillman Counties. In Texas, Clay, Wichita, and Wilbarger Counties. * WHEN...From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Extreme Heat Warning issued August 24 at 11:18PM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 118. Major to Extreme Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...Until 8 PM MST /8 PM PDT/ Saturday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.

Extreme Heat Warning issued August 24 at 11:18PM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 114 expected. Major to Extreme Heat Risk. * WHERE...Chuckwalla Mountains, Salton Sea, Chiriaco Summit, and Joshua Tree NP East. * WHEN...From 10 AM Tuesday to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and,

Heat Advisory issued August 25 at 12:02AM PDT until August 25 at 10:00AM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Heat Advisory, temperatures up to 98. For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 112 expected. * WHERE...A portion of southwest California. * WHEN...For the Heat Advisory, until 10 AM PDT this morning. For the Extreme Heat Warning, from 10 AM this morning to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extr

Extreme Heat Warning issued August 25 at 1:02AM PDT until August 28 at 8:00PM PDT by NWS Las Vegas NV

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* WHAT...Dangerously hot conditions expected through the work week, with temperatures up to 115 to 118 across Death Valley and the Colorado River Valley; up to 108 to 112 across Moapa Valley, the Las Vegas Valley, the Pahrump Valley, and the Morongo Valley; up to 90 to 95 in the Hualapai Mountains. Overnight lows will be in the upper-80s to low-90s for desert valleys. * WHERE...Portions of northwe

Extreme Heat Warning issued August 25 at 1:42AM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 103 to 112 expected. * WHERE...Dripping Springs, Globe/Miami, and Tonto Basin. * WHEN...From 10 AM this morning to 8 PM MST Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

Extreme Heat Warning issued August 25 at 1:42AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 107 to 118. Major to Extreme Heat Risk. * WHERE...Portions of southwest Arizona and southeast California. * WHEN...Until 8 PM MST /8 PM PDT/ Saturday. * IMPACTS...Increase in heat related illnesses, including heat cramps, heat exhaustion, and heat stroke. Heat stroke can lead to death.

Extreme Heat Warning issued August 25 at 1:51AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with high temperatures ranging between 103 to 111 degrees and low temperatures 79 to 85 degrees. Major HeatRisk is expected today and then widespread Major to Extreme HeatRisk Wednesday through Saturday. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS.

Extreme Heat Warning issued August 25 at 3:14AM MST until August 28 at 8:00PM MST by NWS Flagstaff AZ

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* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 95 to 100 degrees at Havasupai Gardens, to 107 to 112 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...From 10 AM Wednesday to 8 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration,

Heat Advisory issued August 25 at 3:47AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...High temperatures during the peak of the heat on Thursday and Friday in the mid 80s near the beaches to the mid to upper 90s for the mesas and other higher coastal terrain expected. Low temperatures will be mostly in the 70s. * WHERE...San Diego County Coastal Areas County. * WHEN...From 10 AM this morning to 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly durin

Heat Advisory issued August 25 at 6:13AM CDT until August 25 at 7:00PM CDT by NWS Houston/Galveston TX

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* WHAT...Heat index values up to 109. * WHERE...Portions of south central and southeast Texas. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Hotter conditions are expected on Wednesday with afternoon temperatures generally in the triple digits and peak heat indices in the 106 to 112 F range. This Heat Advisory

Extreme Heat Warning issued August 25 at 8:07AM AST until August 25 at 5:00PM AST by NWS San Juan PR

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* WHAT...Dangerously hot conditions with This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. expected. * WHERE...Eastern Interior, Mayaguez and Vicinity, North Central, Northeast, Northwest, Ponce and Vicinity, San Juan and Vicinity, Southeast, and Southwest. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Heat re

Heat Advisory issued August 25 at 8:07AM AST until August 25 at 5:00PM AST by NWS San Juan PR

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* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. expected. * WHERE...In Puerto Rico, Culebra and Vieques. In Virgin Islands, St Croix and St. Thomas, St. John, and Adjacent Islands. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 25 at 7:17AM CDT until August 25 at 8:00PM CDT by NWS Midland/Odessa TX

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* WHAT...Temperatures between 103 to 108 expected. * WHERE...Eastern Culberson and Loving Counties, and Van Horn and Highway 54 Corridor and Reeves County Plains. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Pets may succumb to the effects of extreme heat. The elderly, very young, sick, and people with heart conditions are most at risk in extreme heat.

Heat Advisory issued August 25 at 12:37PM CDT until August 26 at 9:00PM CDT by NWS Fort Worth TX

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* WHAT...For the Extreme Heat Warning, dangerously hot conditions with temperatures up to 108. For the Heat Advisory, temperatures up to 104 and heat index values up to 108. * WHERE...A portion of North and Central Texas. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from 9 PM this evening to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increa

Red Flag Warning issued August 25 at 2:57PM PDT until August 28 at 3:00PM PDT by NWS Los Angeles/Oxnard CA

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...RED FLAG WARNING IN EFFECT THROUGH 3 PM FRIDAY FOR MANY INTERIOR PORTIONS OF SOUTHWEST CALIFORNIA DUE TO EXTREME HEAT AND INSTABILITY ALONG WITH LOCALLY GUSTY WINDS AND LOW HUMIDITIES... .A very hot and unstable air mass combined with locally gusty winds and low humidities will bring a significant risk of large plume dominated fires with rapid spread and extreme fire behavior. * TEMPERATURES...

Heat Advisory issued August 26 at 5:15AM CDT until August 26 at 9:00PM CDT by NWS Fort Worth TX

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* WHAT...Temperatures up to 103 and heat index values up to 106. * WHERE...Most of North and Central Texas, generally along and east of US-281. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities.

Extreme Heat Warning issued August 26 at 6:03AM MST until August 28 at 8:00PM MST by NWS Flagstaff AZ

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* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 expected below 4000 feet. * WHERE...Yavapai County below 4000 feet; including the Verde Valley and Black Canyon City. * WHEN...From 10 AM this morning to 8 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor e

Heat Advisory issued August 26 at 6:04AM PDT until August 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Hot daytime conditions with high temperatures between 90 and 100 common. * WHERE...San Luis Obispo County Inland Central Coast, Santa Barbara County Inland Central Coast, and Santa Ynez Valley. * WHEN...From 10 AM this morning to 8 PM PDT Thursday. * IMPACTS...There is a high risk for dangerous heat illness for sensitive groups like the very young, the very old, those without air conditio

Extreme Heat Warning issued August 26 at 6:04AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Hot daytime conditions with high temperatures between 92 and 102 common. Warm overnight conditions will bring less relief than usual. * WHERE...Most coastal areas of Los Angeles, Ventura, and southern Santa Barbara Counties. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those

Heat Advisory issued August 26 at 6:04AM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common. * WHERE...San Luis Obispo County Interior Valleys, San Luis Obispo County Mountains, Santa Lucia Mountains, and Southern Salinas Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for sensitive groups like the very young, the very old, those without air conditioning, a

Heat Advisory issued August 26 at 10:22AM AST until August 26 at 5:00PM AST by NWS San Juan PR

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* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...In Puerto Rico, Culebra and Vieques municipalities. In Virgin Islands, St Croix and St. Thomas, St. John, and Adjacent Islands. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Extreme Heat Warning issued August 26 at 10:22AM AST until August 26 at 5:00PM AST by NWS San Juan PR

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* WHAT...Dangerously hot conditions with this level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...Eastern Interior, Mayaguez and Vicinity, North Central, Northeast, Northwest, Ponce and Vicinity, San Juan and Vicinity, Southeast, and Southwest municipalities. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...He

Extreme Heat Warning issued August 26 at 11:24AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 106 to 117. Major to Extreme Heat Risk. * WHERE...Aguila Valley, Apache Junction/Gold Canyon, Cave Creek/New River, Fountain Hills/East Mesa, Gila Bend, Northwest Pinal County, Sonoran Desert Natl Monument, Tonopah Desert, New River Mesa, Rio Verde/Salt River, and Superior. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Increase in heat re

Extreme Heat Warning issued August 26 at 12:04PM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with temperatures 98 to 105 degrees. Overnight lows 71 to 78 degrees. Major HeatRisk is expected today through Saturday with isolated Extreme HeatRisk. * WHERE...Eastern Cochise County below 5000 feet, Upper San Pedro River Valley, and Upper Santa Cruz River Valley/Altar Valley. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase signif

Heat Advisory issued August 26 at 4:01PM CDT until August 26 at 7:00PM CDT by NWS Corpus Christi TX

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* WHAT...Heat index values up to 113. * WHERE...Bee, Coastal Aransas, Coastal Calhoun, Coastal Kleberg, Coastal Nueces, Coastal Refugio, Coastal San Patricio, Duval, Goliad, Inland Calhoun, Inland Kleberg, Inland Nueces, Inland Refugio, Inland San Patricio, Jim Wells, Live Oak, McMullen, and Victoria Counties. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may

Flood Advisory issued August 26 at 3:06PM MDT until August 26 at 6:00PM MDT by NWS Denver CO

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* WHAT...Debris flows and flooding caused by excessive rainfall is expected. * WHERE...Central Larimer County in north central Colorado, including parts of the Cameron Peak burn area. * WHEN...Until 600 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Debris flows causing minor flooding. * ADDITIONAL DETAILS... - At 304 PM MDT, Doppler radar indicated heavy rain due to thun

Extreme Heat Warning issued August 26 at 9:31PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to low 100s expected. * WHERE...San Diego County Mountains. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Low temperatures 10 to 15 degrees above normal will limit relief from the heat. Ri

Extreme Heat Warning issued August 27 at 2:06AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with high temperatures ranging between 104 to 110 degrees and low temperatures 79 to 85 degrees. Major to Extreme HeatRisk today through Saturday. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during ex

Extreme Heat Warning issued August 27 at 7:26PM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Hot daytime conditions with high temperatures between 100 and 110 common. Warm overnight conditions will bring less relief than usual. * WHERE...A portion of southwest California. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active ou

Wind Advisory issued August 27 at 7:26PM PDT until August 28 at 1:00AM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...For the Wind Advisory, northerly winds 20 to 30 mph with gusts up to 45 mph. For the Extreme Heat Warning, dangerously hot conditions with high temperatures of 92 to 102 common. * WHERE...Santa Barbara County Southwestern Coast. * WHEN...For the Wind Advisory, until 1 AM PDT Friday. For the Extreme Heat Warning, until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat il

Extreme Heat Warning issued August 27 at 9:05PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with high temperatures from 100 to 108 expected. Overnight low temperatures will be mostly in the 70s. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal w

Heat Advisory issued August 27 at 10:30PM PDT until August 28 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

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* WHAT...Hot daytime conditions with high temperatures between 90 and 100 common. * WHERE...San Luis Obispo County Inland Central Coast, Santa Barbara County Inland Central Coast, and Santa Ynez Valley. * WHEN...Until 8 PM PDT Friday. * IMPACTS...There is a high risk for dangerous heat illness for sensitive groups like the very young, the very old, those without air conditioning, and those active

Extreme Heat Warning issued August 28 at 12:22AM MST until August 29 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 114. Major to Extreme Heat Risk. * WHERE...A portion of south central Arizona. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DET

Extreme Heat Warning issued August 28 at 12:22AM MST until August 28 at 8:00PM MST by NWS Phoenix AZ

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* WHAT...Dangerously hot conditions. Afternoon temperatures 104 to 113. Major Heat Risk. * WHERE...Chuckwalla Mountains, Salton Sea, Chiriaco Summit, and Joshua Tree NP East. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead

Extreme Heat Warning issued August 28 at 4:43AM MST until August 29 at 8:00PM MST by NWS Tucson AZ

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* WHAT...Dangerously hot conditions with temperatures 98 to 105 degrees. Overnight lows 71 to 78 degrees. Major HeatRisk is expected today through Saturday with isolated Extreme HeatRisk. * WHERE...Pinal County, Tohono O'odham Nation, Tucson Metro Area, Upper Gila River Valley, and Western Pima County. * WHEN...Until 8 PM MST Saturday. * IMPACTS...Heat related illnesses increase significantly duri

Extreme Heat Warning issued August 28 at 5:03AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA

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* WHAT...Dangerously hot conditions with temperatures of 95 to 104. * WHERE...San Diego County Valleys. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Low temperatures 5 to 10 degrees above normal will limit overnight relief from the heat and will increase the threat of heat-related illness.

Extreme Heat Warning issued August 28 at 9:40AM MST until August 28 at 8:00PM MST by NWS Flagstaff AZ

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* WHAT...Dangerously hot conditions expected below 4000 feet, with daytime temperatures ranging from 93 to 97 degrees at Havasupai Gardens, to 106 to 110 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 8 PM MST this evening. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially wi

Heat Advisory issued August 29 at 2:42PM CDT until August 29 at 7:00PM CDT by NWS Norman OK

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* WHAT...For the first Heat Advisory, air temperatures and heat index values up to 107 expected. For the second Heat Advisory, heat index values up to 106 expected. * WHERE...Kingfisher, Garfield, Grant, Alfalfa, Blaine, Major, Woods, and Woodward Counties. * WHEN...For the first Heat Advisory, until 7 PM CDT this evening. For the second Heat Advisory, from 1 PM to 7 PM CDT Sunday. * IMPACTS...Hot

Heat Advisory issued August 30 at 11:05AM CDT until August 31 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...For the first Heat Advisory, heat index values up to 106 expected. For the second Heat Advisory, heat index values up to 107 expected. * WHERE...Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses

Extreme Heat Watch issued August 30 at 12:20PM CDT until September 4 at 8:00PM CDT by NWS Paducah KY

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* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, from 10 AM CDT /11 AM EDT/ Monday to 10 AM CDT /11 AM EDT/ Tuesday. For the Extreme Heat Watch, fr

Extreme Heat Watch issued August 30 at 12:25PM CDT until September 4 at 8:00PM CDT by NWS Springfield MO

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* WHAT...For the Heat Advisory, heat index values up to 105 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of southeast Kansas and central, east central, south central, southwest, and west central Missouri. * WHEN...For the Heat Advisory, from noon to 8 PM CDT Monday. For the Extreme Heat Watch, from noon Tuesday after

Extreme Heat Watch issued August 30 at 12:27PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

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* WHAT...Dangerously hot conditions with heat index values of 102 to 108 degrees, and morning lows from 75 to 80 degrees, possible for several consecutive days. * WHERE...In Illinois, Clinton IL, Washington IL, Madison IL, Monroe IL, Randolph IL, and Saint Clair IL Counties. In Missouri, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...From Monday afternoon through Frid

Heat Advisory issued August 30 at 12:27PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

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* WHAT...Heat index values of 100 to 105 expected, with morning low temperatures of 70 to 78 degrees, for several consecutive days. * WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri. * WHEN...From noon Monday to 8 PM CDT Friday. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.

Heat Advisory issued August 30 at 12:55PM CDT until September 2 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO

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* WHAT...Heat index values up to 103 expected. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest, and west central Missouri. * WHEN...From noon Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 each day, the combination of the

Heat Advisory issued August 30 at 1:04PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

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* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and cooler storm outflow may interrupt the high heat at times.

Heat Advisory issued August 30 at 1:32PM CDT until September 2 at 7:00PM CDT by NWS Des Moines IA

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* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or

Heat Advisory issued August 30 at 7:52PM CDT until September 1 at 10:00AM CDT by NWS Paducah KY

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* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, from 10 AM CDT /11 AM EDT/ Monday to 10 AM CDT /11 AM EDT/ Tuesday. For the Extreme Heat Watch, fr

Heat Advisory issued August 30 at 7:55PM CDT until August 31 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...Heat index values up to 108 expected Monday. * WHERE...Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

Heat Advisory issued August 30 at 8:06PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

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* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt the heat at times.

Heat Advisory issued August 30 at 10:32PM CDT until September 4 at 8:00PM CDT by NWS Springfield MO

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* WHAT...Heat index values of 100 to 105. Minimal overnight relief with temperatures in the middle to upper 70s. * WHERE...Portions of southeast Kansas and central, east central, south central, southwest, and west central Missouri. * WHEN...From noon Monday to 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 30 at 10:48PM CDT until September 4 at 8:00PM CDT by NWS Paducah KY

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* WHAT...Daily heat index values up to 100-106 expected. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...From 10 AM CDT /11 AM EDT/ Monday to 8 PM CDT /9 PM EDT/ Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat index values will be closer to 100 on Monday. Low rain chances on

Heat Advisory issued August 30 at 10:50PM CDT until August 31 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...Heat index values up to 107 expected. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...From noon to 8 PM CDT Monday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the condi

Heat Advisory issued August 31 at 10:53AM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

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* WHAT...Heat index values up to 105 expected. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt the heat at times.

Heat Advisory issued August 31 at 1:14PM EDT until September 3 at 8:00PM EDT by NWS Louisville KY

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* WHAT...Heat index values near 100 on Tuesday and up to 106 by Thursday expected. * WHERE...Portions of south central Indiana and east central, north central, northwest, and south central Kentucky. * WHEN...From 1 PM EDT /noon CDT/ Tuesday to 8 PM EDT /7 PM CDT/ Thursday. * IMPACTS...Prolonged hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued August 31 at 12:17PM CDT until August 31 at 8:00PM CDT by NWS Jackson MS

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* WHAT...For the first Heat Advisory, heat index values in excess of 105. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Portions of southeast Arkansas, northeast Louisiana, and central, north central, northwest, southwest, and west central Mississippi. * WHEN...For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from noon to 8 PM

Heat Advisory issued August 31 at 12:24PM CDT until September 2 at 9:00PM CDT by NWS Chicago IL

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* WHAT...Peak heat indices of 100 to 105 degrees expected Tuesday and Wednesday afternoons. * WHERE...Portions of northern and central Illinois near and south of I-80, as well as all of northwest Indiana. * WHEN...For the first Heat Advisory, from noon CDT to 9 PM CDT Tuesday. For the second Heat Advisory, from noon CDT to 9 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may caus

Heat Advisory issued August 31 at 1:24PM EDT until September 2 at 8:00PM EDT by NWS Cleveland OH

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* WHAT...Peak heat index values ranging from the upper 90s to lower 100s Tuesday and Wednesday afternoons. Overnight lows in the low to mid 70s will provide for limited nighttime relief from the heat. * WHERE...Portions of north central, northeast, and northwest Ohio. * WHEN...From 2 PM Tuesday to 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITI

Heat Advisory issued August 31 at 1:37PM CDT until September 4 at 8:00PM CDT by NWS Kansas City/Pleasant Hill MO

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* WHAT...Heat index values up to around 105. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest, and west central Missouri. * WHEN...Until 8 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 each day, the combination of the longevity of the he

Heat Advisory issued August 31 at 5:15PM CDT until September 1 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...Heat index values up to 107 expected. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Mayes, Nowata, Rogers, Southeast Osage, Tulsa, Wagoner, and Washington OK Counties. * WHEN...From noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the cond

Heat Advisory issued September 1 at 3:47AM EDT until September 3 at 8:00PM EDT by NWS Louisville KY

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* WHAT...Heat index values between 100 and 107 for at least three successive days. Limited nighttime relief as low temperatures are only expected to fall into the low-to-mid 70s. * WHERE...Portions of south central Indiana and north central, northwest, and south central Kentucky. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 8 PM EDT /7 PM CDT/ Thursday. * IMPACTS...Prolonged hot temperature

Heat Advisory issued September 1 at 3:15PM EDT until September 1 at 8:00PM EDT by NWS Mount Holly NJ

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* WHAT...Heat index values up to 100. * WHERE...In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Heat Advisory issued September 1 at 10:43PM CDT until September 3 at 7:00PM CDT by NWS Omaha/Valley NE

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* WHAT...Heat index values up to 105 expected. Overnight low temperatures between 75 and 80 offer limited relief. * WHERE...Portions of southwest Iowa and east central and southeast Nebraska. * WHEN...From 1 PM Wednesday to 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. Several days of excessive heat will add to cumulative heat stress. * ADDITIONAL DETA

Heat Advisory issued September 1 at 10:54PM CDT until September 2 at 8:00PM CDT by NWS Tulsa OK

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* WHAT...Heat index values up to 109 expected. * WHERE...Portions of northwest and west central Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From noon to 8 PM CDT Wednesday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.

Heat Advisory issued September 2 at 12:32AM EDT until September 2 at 8:00PM EDT by NWS Morristown TN

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* WHAT...Heat index values up to 105 expected. * WHERE...A portion of East Tennessee, including locations south and southwest of Knox County. Valley locations, including the Sequatchie Valley, will be most likely to approach heat indices near or slightly above 105F. * WHEN...From 1 PM EDT /noon CDT/ this afternoon to 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Hot temperatures and high humidity