603  
WWUS74 KOUN 180053  
NPWOUN  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE NORMAN OK  
753 PM CDT WED JUN 17 2026  
 
OKZ044-045-TXZ084>090-181500-  
/O.EXP.KOUN.HT.Y.0006.000000T0000Z-260618T0100Z/  
/O.CON.KOUN.HT.Y.0007.260618T1800Z-260619T0100Z/  
COTTON-JEFFERSON-FOARD-WILBARGER-WICHITA-KNOX-BAYLOR-ARCHER-CLAY-  
INCLUDING THE CITIES OF HENRIETTA, ARCHER CITY, TEMPLE, WALTERS,  
WAURIKA, VERNON, WICHITA FALLS, SEYMOUR, HOLLIDAY, LAKESIDE CITY,  
SCOTLAND, MUNDAY, RYAN, CROWELL, RINGLING, SHEPPARD AFB, AND KNOX  
CITY  
753 PM CDT WED JUN 17 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY  
   
..HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING  
 
* WHAT...HEAT INDEX VALUES UP TO 109 EXPECTED.  
 
* WHERE...IN OKLAHOMA, JEFFERSON AND COTTON COUNTIES. IN TEXAS,  
ARCHER, BAYLOR, CLAY, FOARD, KNOX, WICHITA, AND WILBARGER COUNTIES.  
 
* WHEN...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.  
 
 
 
 
 
OKZ004>025-027-033>039-TXZ083-180200-  
/O.EXP.KOUN.HT.Y.0006.000000T0000Z-260618T0100Z/  
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-  
NOBLE-ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-  
BECKHAM-WASHITA-CADDO-CANADIAN-OKLAHOMA-GRADY-HARMON-GREER-KIOWA-  
JACKSON-TILLMAN-COMANCHE-STEPHENS-HARDEMAN-  
INCLUDING THE CITIES OF TALOGA, STILLWATER, FREDERICK, DUNCAN,  
BUFFALO, FAIRVIEW, GAGE, CHEYENNE, VICI, GEARY, POND CREEK,  
OKEENE, KINGFISHER, SENTINEL, SHATTUCK, GUTHRIE, HELENA,  
CHICKASHA, WOODWARD, BURNS FLAT, ALTUS, GRANITE, SAYRE,  
WEATHERFORD, LAMONT, PERRY, CONCHO, EL RENO, OKARCHE, MUSTANG,  
YUKON, MANGUM, LEEDEY, HOLLIS, WAKITA, WATONGA, LAWTON, LAVERNE,  
CORDELL, HINTON, TUTTLE, QUANAH, SEILING, OKLAHOMA CITY, ALVA,  
HOBART, ARNETT, CLINTON, MEDFORD, CHEROKEE, PONCA CITY, CARMEN,  
ENID, SNYDER, HAMMON, FARGO, HENNESSEY, ANADARKO, BLACKWELL, AND  
ELK CITY  
753 PM CDT WED JUN 17 2026  
   
..HEAT ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING  
 
ALTHOUGH COULD STILL HAVE TRIPLE DIGIT HEAT INDICES AT SOME  
LOCATIONS OVER THE NEXT HOUR, CONDITIONS ARE EXPECTED TO SLOWLY  
IMPROVE THIS EVENING SO HEAT ADVISORY WILL BE ALLOWED TO EXPIRE.  
 
 
 
OKZ050-181500-  
/O.CON.KOUN.HT.Y.0007.260618T1800Z-260619T0100Z/  
LOVE-  
INCLUDING THE CITIES OF MARIETTA AND THACKERVILLE  
753 PM CDT WED JUN 17 2026  
   
..HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY  
 
* WHAT...HEAT INDEX VALUES UP TO 108 EXPECTED.  
 
* WHERE...LOVE COUNTY.  
 
* WHEN...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.  
 
 
 
 
 
MAXWELL  
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