Oklahoma Moderate Heat Advisory | Effective 08/20/2026 10:04

Headline: 
Heat Advisory issued August 20 at 12:04PM CDT until August 21 at 9:00PM CDT by NWS Norman OK
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 20, 2026 - 10:04am
Expires: 
August 21, 2026 - 12:15am
Description: 
* WHAT...Heat index values up to 106 expected. * WHERE...Portions of central, northern, northwest, and western Oklahoma. * WHEN...Until 9 PM CDT Friday. * 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: 
Alfalfa; Grant; Kay; Major; Garfield; Noble; Roger Mills; Dewey; Custer; Blaine; Payne; Beckham; Washita
Forcast Office: 
NWS Norman OK
Sender: 
w-nws.webmaster@noaa.gov