WWUS74 KOUN 230402
NPWOUN

URGENT - WEATHER MESSAGE
National Weather Service Norman OK
1102 PM CDT Sat Aug 22 2026

OKZ021-022-033>039-043>048-050>052-TXZ083>090-240100-
/O.UPG.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/
/O.NEW.KOUN.XH.W.0015.260823T1700Z-260824T0100Z/
Beckham-Washita-Harmon-Greer-Kiowa-Jackson-Tillman-Comanche-Stephens-
Coal-Cotton-Jefferson-Carter-Johnston-Atoka-Love-Marshall-Bryan-
Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-Archer-Clay-
Including the cities of Ryan, Coalgate, Kingston, Holliday, Durant,
Knox City, Tishomingo, Thackerville, Walters, Marietta, Scotland,
Ardmore, Burns Flat, Hollis, Sheppard AFB, Cordell, Atoka, Waurika,
Altus, Sentinel, Sayre, Archer City, Crowell, Granite, Vernon,
Ringling, Hobart, Quanah, Snyder, Lawton, Lakeside City, Madill,
Frederick, Henrietta, Wichita Falls, Munday, Mangum, Seymour, Elk
City, Duncan, and Temple
1102 PM CDT Sat Aug 22 2026

...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT SUNDAY...

* WHAT...Dangerously hot conditions with heat index values up to 113
  expected.

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

* WHEN...From noon to 8 PM CDT Sunday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

OKZ005-006-020-240100-
/O.EXA.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/
Woods-Alfalfa-Payne-
Including the cities of Stillwater, Alva, Carmen, Cherokee, and
Helena
1102 PM CDT Sat Aug 22 2026

...HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM CDT SUNDAY...

* WHAT...Heat index values up to 106 expected.

* WHERE...Payne, Alfalfa, and Woods Counties.

* WHEN...From noon to 8 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.

&&

$$

OKZ009>012-014>019-023>032-040>042-240100-
/O.CON.KOUN.HT.Y.0042.260823T1700Z-260824T0100Z/
Ellis-Woodward-Major-Garfield-Roger Mills-Dewey-Custer-Blaine-
Kingfisher-Logan-Caddo-Canadian-Oklahoma-Lincoln-Grady-McClain-
Cleveland-Pottawatomie-Seminole-Hughes-Garvin-Murray-Pontotoc-
Including the cities of Shawnee, Watonga, Woodward, Lindsay,
Blanchard, Wewoka, Gage, Taloga, Hinton, Yukon, Oklahoma City,
Holdenville, Davis, Norman, El Reno, Davenport, Clinton, Leedey,
Guthrie, Kingfisher, Seminole, Wetumka, Newcastle, Wellston, Tuttle,
Fairview, Fargo, Enid, Concho, Chandler, Ada, Cheyenne, Vici,
Okarche, Geary, Meeker, Pauls Valley, Moore, Seiling, Anadarko,
Chickasha, Purcell, Okeene, Wynnewood, Sulphur, Mustang, Weatherford,
Hammon, Shattuck, Prague, Stroud, Hennessey, and Arnett
1102 PM CDT Sat Aug 22 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 8 PM CDT SUNDAY...

* WHAT...Heat index values up to 108 expected.

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

* WHEN...From noon to 8 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.

&&

$$