Heat Advisory

Status

Event Extended (Time) Active alert

Start Time

Thu 08/13/2026 01:48 PM EDT

End Time

Sun 08/16/2026 08:00 PM EDT

Significance

Advisory

Impacts

Low impact

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Norman OK 1248 PM CDT Thu Aug 13 2026 ...HEAT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT SUNDAY... * WHAT...Heat index values of 105 to 110 expected. * WHERE...Portions of central, east central, southeast, and southern Oklahoma. * WHEN...Until 7 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Technical Header

OKZ024>032-039>043-045>048-050>052-140830- /O.EXT.KOUN.HT.Y.0033.000000T0000Z-260817T0000Z/ Canadian-Oklahoma-Lincoln-Grady-McClain-Cleveland-Pottawatomie- Seminole-Hughes-Stephens-Garvin-Murray-Pontotoc-Coal-Jefferson- Carter-Johnston-Atoka-Love-Marshall-Bryan- Including the cities of Ardmore, Blanchard, Wynnewood, Wetumka, Wellston, Davis, Moore, Tuttle, Duncan, Shawnee, Chandler, Coalgate, El Reno, Ada, Chickasha, Mustang, Holdenville, Marietta, Thackerville, Seminole, Yukon, Durant, Prague, Sulphur, Kingston, Oklahoma City, Atoka, Norman, Waurika, Meeker, Stroud, Pauls Valley, Ringling, Wewoka, Lindsay, Ryan, Tishomingo, Madill, Purcell, Newcastle, Davenport, and Concho 1248 PM CDT Thu Aug 13 2026