The National Weather Service issued multiple Extreme Heat Warnings on July 30, 2026 across the Southwest, including Nevada, California, Arizona, and Oklahoma, with highs ranging from 100–120°F and heat index values up to 113°F through August 3.
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* WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 100 to 110 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in major to extreme heat risk. * WHERE...Portions of northwest Arizona, southeast Cal
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Heat Advisory, heat index values up to 110 expected. * WHERE...Atoka, Bryan, and Coal Counties. * WHEN...For the Extreme Heat Warning, until 9 PM CDT this evening. For the Heat Advisory, from noon to 9 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme he
* WHAT...Dangerously hot conditions with several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 11 PM PDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Long duration extreme heat with no overnight relief will affect health systems, industries and infras
* WHAT...Dangerously hot conditions with high temperatures of 100 to 108 expected. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...From Saturday afternoon through Saturday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
* WHAT...Dangerously hot conditions with temperatures up to 110 expected, and overnight low temperatures in the 80s. * WHERE...Arches/Grand Flat and Canyonlands/Natural Bridges. * WHEN...From noon Saturday to 9 PM MDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
* WHAT...Heat index values up to 110 degrees expected. * WHERE...Coastal McIntosh and Inland McIntosh Counties. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* WHAT...Heat index values up to 107 expected today. Dangerously hot conditions with heat index values up to 111 expected Friday. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Central and Southern Sequoyah and Northern Le Flore Counties. * WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the Extreme Hea
this outlet adds: muskogee, mayes, okmulgee, rogers, wagoner, haskell, mcintosh, pittsburg
* WHAT...Heat index values up to 105 expected. * WHERE...In Arkansas, Benton County. In Oklahoma, Adair County. * WHEN...From noon to 9 PM CDT Friday. * IMPACTS...Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
this outlet adds: today, southern, sebastian, cherokee, northern, sequoyah, okfuskee, delaware
this outlet adds: dangerously, today, craig, creek, northeast, osage, nowata, southeast
* WHAT...Dangerously hot conditions with heat index values up to 111 expected. * WHERE...Muskogee, Mayes, Okmulgee, Rogers, Tulsa, Wagoner, Haskell, McIntosh, and Pittsburg Counties. * WHEN...For the first Extreme Heat Warning, until 9 PM CDT this evening. For the second Extreme Heat Warning, from noon to 9 PM CDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme hea
this outlet adds: today, craig, creek, northeast, osage, nowata, southeast, washington
* WHAT...Heat index values up to 107 expected today. Dangerously hot conditions with heat index values up to 111 expected Friday. * WHERE...In Arkansas, Southern Crawford, Central and Southern Franklin, and North and Central Sebastian Counties. In Oklahoma, Central and Southern Sequoyah and Northern Le Flore Counties. * WHEN...For the Heat Advisory, until 9 PM CDT this evening. For the Extreme Hea
this outlet adds: county, cherokee, okfuskee, delaware, ottawa, pawnee, western, osage
* WHAT...Heat index values up to 110. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
* WHAT...Dangerously hot conditions, with daytime temperatures ranging from 100 to 105 expected. * WHERE...Little Colorado River Valley, Kaibito Plateau, Painted Desert, and Chinle Valley. * WHEN...From 10 AM MST /11 AM MDT/ Saturday to 8 PM MST /9 PM MDT/ Sunday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially wit
this outlet adds: around, below, 4000, feet, northern, gila, yavapai, counties
this outlet adds: around, marble, canyon, glen, creek, including, page, sedona
this outlet adds: below, 4000, feet, degrees, havasupai, gardens, phantom, ranch
* WHAT...Dangerously hot conditions. Afternoon temperatures 97 to 115 expected. Major to Extreme Heat Risk. * WHERE...Dripping Springs, Globe/Miami, Mazatzal Mountains, New River Mesa, Pinal/Superstition Mountains, Rio Verde/Salt River, San Carlos, Southeast Gila County, Superior, and Tonto Basin. * WHEN...Until 8 PM MST Monday. * IMPACTS...Increase in heat related illnesses, including heat cramps
this outlet adds: arizona, parker, valley, yuma, california, imperial, palo
this outlet adds: mostly, rural, portions, southwest, arizona, california, joshua, tree
this outlet adds: metropolitan, area, additional, details, maricopa, call, find, free
this outlet adds: aguila, valley, apache, junction, gold, canyon, cave, creek
* WHAT...Dangerously hot conditions with high temperatures in the upper 90s to 108 expected. * WHERE...San Bernardino and Riverside County Valleys-The Inland Empire. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
this outlet adds: coachella, valley, deserts, gorgonio, pass, near, banning
this outlet adds: apple, lucerne, additional, details, range, valley, westward, near
this outlet adds: lower, east, interstate, orange, areas, friday
this outlet adds: santa, mountains, foothills, friday
this outlet adds: below, 7000, feet, mountains
this outlet adds: western, around, near, foothills, friday
* WHAT...High temperatures in the 90s to around 100 below 6000 feet expected. * WHERE...San Bernardino County Mountains. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.
this outlet adds: mesas, higher, coastal, terrain, areas, friday
this outlet adds: upper, higher, coastal, terrain, orange, areas, friday