Home
838
WWUS74 KOUN 190621
NPWOUN
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
121 AM CDT Wed Aug 19 2026
OKZ007-008-012-013-018>020-024>032-039>043-045>048-050>052-200100-
/O.CON.KOUN.XH.W.0013.260819T1600Z-260820T0100Z/
Grant-Kay-Garfield-Noble-Kingfisher-Logan-Payne-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, Moore, Tishomingo, Tuttle, Ringling,
Ada, Wewoka, Lamont, Mustang, Thackerville, Perry, Stillwater,
Lindsay, Chickasha, Pauls Valley, Guthrie, Purcell, Newcastle,
Medford, Shawnee, Madill, El Reno, Davenport, Yukon, Wellston,
Meeker, Duncan, Norman, Holdenville, Chandler, Kingfisher, Stroud,
Wakita, Enid, Pond Creek, Sulphur, Coalgate, Atoka, Okarche,
Blanchard, Wetumka, Wynnewood, Hennessey, Prague, Ponca City, Concho,
Kingston, Seminole, Oklahoma City, Waurika, Ryan, Marietta,
Blackwell, Durant, and Davis
121 AM CDT Wed Aug 19 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM CDT THIS EVENING...
* WHAT...Dangerously hot conditions with heat index values up to 110
expected.
* WHERE...Portions of central, east central, northern, southeast, and
southern Oklahoma.
* WHEN...From 11 AM this morning to 8 PM CDT this evening.
* 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.
&&
$$
OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>090-200100-
/O.CON.KOUN.HT.Y.0039.260819T1600Z-260820T0100Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey-
Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-
Archer-Clay-
Including the cities of Okeene, Taloga, Wichita Falls, Fairview,
Leedey, Arnett, Hollis, Shattuck, Sayre, Quanah, Lakeside City, Knox
City, Crowell, Temple, Mangum, Sentinel, Henrietta, Helena,
Frederick, Walters, Sheppard AFB, Lawton, Clinton, Seiling, Snyder,
Woodward, Cheyenne, Hobart, Laverne, Burns Flat, Hinton, Munday,
Cherokee, Seymour, Anadarko, Gage, Holliday, Altus, Fargo, Carmen,
Buffalo, Granite, Elk City, Vernon, Alva, Geary, Archer City,
Scotland, Hammon, Weatherford, Cordell, Watonga, and Vici
121 AM CDT Wed Aug 19 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
CDT THIS EVENING...
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of northwest, southwest, and western Oklahoma and
northern Texas.
* WHEN...From 11 AM this morning to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
JP
File: /home/ldm/var/data/BY_SOURCE/KOUN/WWUS74/20260819T0621.txt
264
WWUS74 KOUN 190232
NPWOUN
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
932 PM CDT Tue Aug 18 2026
OKZ007-008-012-013-018>020-024>032-039>043-045>048-050>052-191645-
/O.CON.KOUN.XH.W.0013.260819T1600Z-260820T0100Z/
Grant-Kay-Garfield-Noble-Kingfisher-Logan-Payne-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 Durant, Shawnee, Newcastle, Wellston,
Davenport, Wewoka, Ringling, Concho, Perry, Ardmore, Blackwell,
Wakita, Yukon, Chickasha, Lamont, Chandler, Ada, Seminole, Hennessey,
Ponca City, Prague, Moore, Wynnewood, Oklahoma City, Coalgate, Enid,
Marietta, Kingfisher, Wetumka, Kingston, Tuttle, Stillwater, Waurika,
Madill, Holdenville, Davis, Atoka, Meeker, Thackerville, Duncan,
Blanchard, Lindsay, Pauls Valley, Pond Creek, Guthrie, Stroud,
Purcell, El Reno, Norman, Sulphur, Medford, Tishomingo, Mustang,
Okarche, and Ryan
932 PM CDT Tue Aug 18 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...
* WHAT...Dangerously hot conditions with heat index values up to 110
expected.
* WHERE...Portions of central, east central, northern, southeast, and
southern Oklahoma.
* WHEN...From 11 AM to 8 PM CDT Wednesday.
* 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.
&&
$$
OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>090-191645-
/O.CON.KOUN.HT.Y.0039.260819T1600Z-260820T0100Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey-
Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-
Archer-Clay-
Including the cities of Knox City, Watonga, Lakeside City, Helena,
Sayre, Quanah, Munday, Archer City, Anadarko, Laverne, Mangum,
Hammon, Holliday, Elk City, Sheppard AFB, Woodward, Fargo, Cordell,
Hollis, Alva, Cherokee, Okeene, Henrietta, Arnett, Burns Flat,
Taloga, Shattuck, Buffalo, Geary, Scotland, Hinton, Gage, Leedey,
Walters, Clinton, Hobart, Frederick, Altus, Temple, Wichita Falls,
Sentinel, Cheyenne, Fairview, Seiling, Carmen, Lawton, Granite,
Crowell, Snyder, Weatherford, Seymour, Vernon, and Vici
932 PM CDT Tue Aug 18 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM CDT
WEDNESDAY...
* WHAT...Heat index values up to 107 expected.
* WHERE...Portions of northwest, southwest, and western Oklahoma and
northern Texas.
* WHEN...From 11 AM to 8 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
File: /home/ldm/var/data/BY_SOURCE/KOUN/WWUS74/20260819T0232.txt
002
WWUS74 KOUN 181632
NPWOUN
URGENT - WEATHER MESSAGE
National Weather Service Norman OK
Issued by National Weather Service Tulsa OK
1132 AM CDT Tue Aug 18 2026
OKZ007-008-012-013-018>020-024>032-039>043-045>048-050>052-191500-
/O.NEW.KOUN.XH.W.0013.260819T1600Z-260820T0100Z/
/O.CON.KOUN.XH.W.0012.000000T0000Z-260819T0100Z/
Grant-Kay-Garfield-Noble-Kingfisher-Logan-Payne-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 Blackwell, Coalgate, Thackerville, Sulphur,
Norman, Perry, Stillwater, Wewoka, Wakita, Madill, Davenport,
Seminole, Wellston, Davis, Kingston, Stroud, Meeker, Marietta, Pauls
Valley, Lamont, Prague, Holdenville, Blanchard, Ardmore, Duncan,
Enid, Tishomingo, Atoka, Moore, Wetumka, El Reno, Yukon, Concho,
Ringling, Waurika, Mustang, Tuttle, Medford, Purcell, Ryan, Durant,
Oklahoma City, Guthrie, Ponca City, Chandler, Chickasha, Shawnee,
Kingfisher, Wynnewood, Ada, Okarche, Hennessey, Lindsay, Pond Creek,
and Newcastle
1132 AM CDT Tue Aug 18 2026
...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY...
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...For the first Extreme Heat Warning, dangerously hot
conditions with heat index values up to 110. For the second Extreme
Heat Warning, dangerously hot conditions with heat index values up
to 110 expected.
* WHERE...Portions of central, east central, northern, southeast, and
southern Oklahoma.
* WHEN...For the first Extreme Heat Warning, until 8 PM CDT this
evening. For the second Extreme Heat Warning, from 11 AM to 8 PM
CDT Wednesday.
* 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.
&&
$$
OKZ004>006-009>011-014>017-021>023-033>038-044-TXZ083>090-191500-
/O.NEW.KOUN.HT.Y.0039.260819T1600Z-260820T0100Z/
/O.CON.KOUN.HT.Y.0038.000000T0000Z-260819T0100Z/
Harper-Woods-Alfalfa-Ellis-Woodward-Major-Roger Mills-Dewey-
Custer-Blaine-Beckham-Washita-Caddo-Harmon-Greer-Kiowa-Jackson-
Tillman-Comanche-Cotton-Hardeman-Foard-Wilbarger-Wichita-Knox-Baylor-
Archer-Clay-
Including the cities of Frederick, Watonga, Okeene, Seymour, Walters,
Cordell, Quanah, Hinton, Hobart, Arnett, Scotland, Lawton, Cherokee,
Helena, Knox City, Weatherford, Clinton, Granite, Holliday, Sayre,
Burns Flat, Laverne, Taloga, Sheppard AFB, Carmen, Lakeside City,
Anadarko, Vici, Fargo, Altus, Temple, Leedey, Snyder, Hollis,
Buffalo, Seiling, Sentinel, Fairview, Gage, Mangum, Munday, Crowell,
Geary, Archer City, Vernon, Alva, Shattuck, Woodward, Wichita Falls,
Henrietta, Elk City, Cheyenne, and Hammon
1132 AM CDT Tue Aug 18 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM CDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING...
* WHAT...For the first Heat Advisory, heat index values up to 106.
For the second Heat Advisory, heat index values up to 107 expected.
* WHERE...Portions of northwest, southwest, and western Oklahoma and
northern Texas.
* WHEN...For the first Heat Advisory, until 8 PM CDT this evening.
For the second Heat Advisory, from 11 AM to 8 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
File: /home/ldm/var/data/BY_SOURCE/KOUN/WWUS74/20260818T1632.txt
