Heat Advisory issued August 24 at 1:23PM CDT until August 25 at 7:00PM 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: 8/25/2026, 6:00:00 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 Heat Advisory Alerts

Heat Advisory issued August 24 at 3:56PM AST until August 24 at 4:00PM AST by NWS San Juan PR

San Juan and Vicinity; Northeast; Southeast; North Central; Ponce and Vicinity; Northwest; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix

Heat Advisory issued August 24 at 12:44PM PDT until August 27 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

San Luis Obispo County Inland Central Coast; Santa Barbara County Inland Central Coast; Santa Ynez Valley

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

Cuyama Valley

Heat Advisory issued August 24 at 12:44PM PDT until August 25 at 10:00AM 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

Heat Advisory issued August 24 at 12:44PM PDT until August 25 at 10:00AM 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

Source: National Weather Service.