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

Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Cotton; Jefferson; Carter; Johnston; Love; Marshall; Bryan; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay

Urgency: Expected

Certainty: Likely

Onset: 8/24/2026, 6:23:00 PM

Expires: 8/25/2026, 1:30:00 AM

Details

* 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 CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

What To Do

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Affected States

Iowa

Other Active Extreme Heat Warning Alerts

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

Santa Clarita Valley; Santa Ynez Mountains Western Range; Santa Ynez Mountains Eastern Range; Santa Barbara County Interior Mountains; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Southern Ventura County Mountains; Interstate 5 Corridor; Western San Gabriel Mountains and Highway 14 Corridor; Eastern San Gabriel Mountains; Los Angeles County San Gabriel Valley

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

Western Antelope Valley Foothills; Eastern Antelope Valley Foothills; Antelope Valley

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

Catalina and Santa Barbara Islands; Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast; Ventura County Beaches; Ventura County Inland Coast; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles

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

Cuyama Valley

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

Montague; Cooke; Grayson; Fannin; Young; Jack; Wise; Denton; Collin; Hunt; Stephens; Palo Pinto; Parker; Tarrant; Dallas; Rockwall; Kaufman; Eastland; Erath; Hood; Somervell; Johnson; Ellis; Comanche; Mills; Hamilton; Bosque; Hill; Navarro; Lampasas; Coryell; McLennan

Source: National Weather Service.