Oklahoma, Texas Moderate Heat Advisory | Effective 08/19/2026 18:35

Headline: 
Heat Advisory issued August 19 at 8:35PM CDT until August 20 at 8:00PM CDT by NWS Norman OK
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 19, 2026 - 6:35pm
Expires: 
August 20, 2026 - 11:00am
Description: 
* WHAT...Heat index values up to 107 expected. * WHERE...Portions of central, east central, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...From 1 PM to 8 PM CDT Thursday. * 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: 
Caddo; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Harmon; Greer; Kiowa; Jackson; Tillman; Comanche; Stephens; Cotton; Jefferson; Hardeman; Foard; Wilbarger; Wichita; Knox; Baylor; Archer; Clay
Forcast Office: 
NWS Norman OK
Sender: 
w-nws.webmaster@noaa.gov