Oklahoma, Texas Moderate Heat Advisory | Effective 07/20/2026 20:58

Headline: 
Heat Advisory issued July 20 at 10:58PM CDT until July 21 at 8:00PM CDT by NWS Norman OK
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 20, 2026 - 8:58pm
Expires: 
July 21, 2026 - 11:00am
Description: 
* WHAT...Dangerously hot conditions with air temperatures of 105 to 108 degrees and heat index values up to 109 expected. * WHERE...Portions of central, northwest, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From noon to 8 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Area Description: 
Harper; Woods; Ellis; Woodward; Roger Mills; Dewey; Custer; Blaine; Beckham; Washita; Caddo; Grady; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Cotton; Jefferson; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Forcast Office: 
NWS Norman OK