Oklahoma, Texas Moderate Heat Advisory | Effective 07/20/2026 10:18

Headline: 
Heat Advisory issued July 20 at 12:18PM CDT until July 21 at 8:00PM CDT by NWS Norman OK
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
July 20, 2026 - 10:18am
Expires: 
July 20, 2026 - 8:15pm
Description: 
* WHAT...Heat index values up to 109 expected. * WHERE...Portions of central, northwest, 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; Ellis; Woodward; Roger Mills; Dewey; Custer; Beckham; Washita; Caddo; Grady; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Cotton; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Forcast Office: 
NWS Norman OK