980
WWUS74 KOUN 192305
NPWOUN
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE NORMAN OK
605 PM CDT WED AUG 19 2026
OKZ012-013-200015-
/O.CAN.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/
GARFIELD-NOBLE-
INCLUDING THE CITIES OF PERRY AND ENID
605 PM CDT WED AUG 19 2026
..EXTREME HEAT WARNING IS CANCELLED
TEMPERATURES AND HEAT INDICES ARE EXPECTED TO REMAIN BELOW 105
DEGREES FOR THE REMAINDER OF THE EVENING.
OKZ009-011-014-015-200015-
/O.CAN.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/
ELLIS-MAJOR-ROGER MILLS-DEWEY-
INCLUDING THE CITIES OF SHATTUCK, ARNETT, TALOGA, FAIRVIEW, CHEYENNE,
SEILING, VICI, HAMMON, LEEDEY, GAGE, AND FARGO
605 PM CDT WED AUG 19 2026
..HEAT ADVISORY IS CANCELLED
TEMPERATURES AND HEAT INDICES ARE EXPECTED TO REMAIN BELOW 105
DEGREES FOR THE REMAINDER OF THE EVENING.
OKZ040>043-046>048-050>052-201315-
/O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/
/O.CON.KOUN.XH.W.0014.260820T1800Z-260821T0100Z/
GARVIN-MURRAY-PONTOTOC-COAL-CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-
BRYAN-
INCLUDING THE CITIES OF COALGATE, ADA, MARIETTA, ATOKA, LINDSAY,
THACKERVILLE, TISHOMINGO, SULPHUR, DURANT, PAULS VALLEY, WYNNEWOOD,
ARDMORE, DAVIS, KINGSTON, AND MADILL
605 PM CDT WED AUG 19 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT
THURSDAY...
* WHAT...FOR THE EXTREME HEAT WARNING THIS EVENING, DANGEROUSLY HOT
CONDITIONS WITH HEAT INDEX VALUES UP TO 107. FOR THE EXTREME HEAT
WARNING ON THURSDAY, DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX
VALUES UP TO 110 EXPECTED.
* WHERE...PONTOTOC, ATOKA, BRYAN, COAL, JOHNSTON, MARSHALL, CARTER,
GARVIN, LOVE, AND MURRAY COUNTIES.
* WHEN...FOR THE FIRST EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS
EVENING. FOR THE SECOND EXTREME HEAT WARNING, FROM 1 PM TO 8 PM CDT
THURSDAY.
* 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.
OKZ027>032-039-045-201315-
/O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/
/O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/
GRADY-MCCLAIN-CLEVELAND-POTTAWATOMIE-SEMINOLE-HUGHES-STEPHENS-
JEFFERSON-
INCLUDING THE CITIES OF SEMINOLE, NEWCASTLE, SHAWNEE, NORMAN,
RINGLING, RYAN, DUNCAN, TUTTLE, HOLDENVILLE, PURCELL, WETUMKA,
WEWOKA, BLANCHARD, CHICKASHA, MOORE, AND WAURIKA
605 PM CDT WED AUG 19 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
..HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY
* WHAT...FOR THE EXTREME HEAT WARNING THIS EVENING, DANGEROUSLY HOT
CONDITIONS WITH HEAT INDEX VALUES UP TO 107. FOR THE HEAT ADVISORY
ON THURSDAY, HEAT INDEX VALUES UP TO 107 EXPECTED.
* WHERE...CLEVELAND, GRADY, MCCLAIN, POTTAWATOMIE, SEMINOLE, HUGHES,
JEFFERSON, AND STEPHENS COUNTIES.
* WHEN...FOR THE EXTREME HEAT WARNING, UNTIL 8 PM CDT THIS EVENING.
FOR THE HEAT ADVISORY, FROM 1 PM TO 8 PM CDT THURSDAY.
* IMPACTS...HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING
EXTREME HEAT AND HIGH HUMIDITY EVENTS. 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.
OKZ018>020-024>026-200100-
/O.CON.KOUN.XH.W.0013.000000T0000Z-260820T0100Z/
KINGFISHER-LOGAN-PAYNE-CANADIAN-OKLAHOMA-LINCOLN-
INCLUDING THE CITIES OF CONCHO, EL RENO, STROUD, DAVENPORT, MUSTANG,
OKLAHOMA CITY, PRAGUE, WELLSTON, KINGFISHER, MEEKER, CHANDLER,
OKARCHE, STILLWATER, YUKON, HENNESSEY, AND GUTHRIE
605 PM CDT WED AUG 19 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS
EVENING...
* WHAT...DANGEROUSLY HOT CONDITIONS WITH HEAT INDEX VALUES UP TO 105.
* WHERE...CANADIAN, KINGFISHER, LINCOLN, LOGAN, OKLAHOMA, AND PAYNE
COUNTIES.
* WHEN...UNTIL 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.
OKZ023-033>038-044-TXZ083>090-201315-
/O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/
/O.CON.KOUN.HT.Y.0040.260820T1800Z-260821T0100Z/
CADDO-HARMON-GREER-KIOWA-JACKSON-TILLMAN-COMANCHE-COTTON-HARDEMAN-
FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
INCLUDING THE CITIES OF LAWTON, WALTERS, SEYMOUR, TEMPLE, SHEPPARD
AFB, GRANITE, ANADARKO, MANGUM, QUANAH, HOLLIS, HINTON, FREDERICK,
SCOTLAND, WICHITA FALLS, KNOX CITY, HENRIETTA, HOLLIDAY, HOBART,
ALTUS, VERNON, SNYDER, MUNDAY, LAKESIDE CITY, CROWELL, AND ARCHER
CITY
605 PM CDT WED AUG 19 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
..HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY
* WHAT...FOR THE HEAT ADVISORY THIS EVENING, HEAT INDEX VALUES UP TO
105. FOR THE HEAT ADVISORY ON THURSDAY, HEAT INDEX VALUES UP TO 107
EXPECTED.
* WHERE...PORTIONS OF SOUTHWEST OKLAHOMA AND NORTHERN TEXAS.
* WHEN...FOR THE FIRST HEAT ADVISORY, UNTIL 8 PM CDT THIS EVENING.
FOR THE SECOND HEAT ADVISORY, FROM 1 PM TO 8 PM CDT THURSDAY.
* 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.
OKZ016-017-021-022-200100-
/O.CON.KOUN.HT.Y.0039.000000T0000Z-260820T0100Z/
CUSTER-BLAINE-BECKHAM-WASHITA-
INCLUDING THE CITIES OF SAYRE, OKEENE, BURNS FLAT, GEARY, CLINTON,
CORDELL, SENTINEL, WEATHERFORD, ELK CITY, AND WATONGA
605 PM CDT WED AUG 19 2026
..HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
* WHAT...HEAT INDEX VALUES UP TO 105.
* WHERE...BLAINE, BECKHAM, CUSTER, AND WASHITA COUNTIES.
* WHEN...UNTIL 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.
MDU
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