Arkansas, Oklahoma Moderate Heat Advisory | Effective 08/17/2026 09:29

Headline: 
Heat Advisory issued August 17 at 11:29AM CDT until August 17 at 8:00PM CDT by NWS Tulsa OK
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 17, 2026 - 9:29am
Expires: 
August 18, 2026 - 8:00am
Description: 
* WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Portions of northwest and west central Arkansas and east central and southeast Oklahoma. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from 1 PM Tuesday to 9 PM CDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
North and Central Sebastian; Southern Crawford; Central and Southern Franklin; Southern Sebastian; Pushmataha; Choctaw; Muskogee; McIntosh; Pittsburg; Haskell; Latimer; Northern Le Flore; Central and Southern Sequoyah; Central Le Flore; Southern Le Flore
Forcast Office: 
NWS Tulsa OK
Sender: 
w-nws.webmaster@noaa.gov