874 
WWUS74 KOUN 170552
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1252 AM CDT Mon Aug 17 2026

OKZ032-036>048-050>052-TXZ085-086-088>090-172000-
/O.NEW.KOUN.HT.Y.0037.260817T1600Z-260818T0100Z/
Hughes-Jackson-Tillman-Comanche-Stephens-Garvin-Murray-Pontotoc-Coal-
Cotton-Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-Wilbarger-
Wichita-Baylor-Archer-Clay-
Including the cities of Duncan, Wynnewood, Tishomingo, Temple, Ryan,
Henrietta, Walters, Sulphur, Waurika, Kingston, Lakeside City,
Lindsay, Durant, Davis, Pauls Valley, Atoka, Archer City, Wichita
Falls, Thackerville, Vernon, Holdenville, Madill, Seymour, Holliday,
Altus, Scotland, Ringling, Coalgate, Ada, Ardmore, Wetumka, Lawton,
Sheppard AFB, Frederick, and Marietta
1252 AM CDT Mon Aug 17 2026

...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM CDT THIS
EVENING...

* WHAT...Maximum heat index values of 105 to 110 expected.

* WHERE...Portions of east central, southeast, southern, and
  southwest Oklahoma and northern Texas.

* WHEN...From 11 AM this morning to 8 PM CDT this evening.

* 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.

&&

$$