161  
WWUS75 KRIW 191432  
NPWRIW  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
832 AM MDT TUE MAY 19 2026  
 
WYZ003>006-010-011-016>020-191545-  
/O.EXP.KRIW.FZ.W.0003.000000T0000Z-260519T1500Z/  
CODY FOOTHILLS-NORTH BIGHORN BASIN-SOUTHWEST BIGHORN BASIN-  
SOUTHEAST BIGHORN BASIN-NORTHEAST JOHNSON COUNTY-SOUTHEAST  
JOHNSON COUNTY-UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER  
FOOTHILLS-GREEN MOUNTAINS AND RATTLESNAKE RANGE-NATRONA COUNTY  
LOWER ELEVATIONS-  
INCLUDING THE CITIES OF CODY, BASIN, DUBOIS, SHOSHONI, CLARK,  
WORLAND, THERMOPOLIS, CASPER, MEETEETSE, LANDER, JEFFREY CITY,  
KAYCEE, GREYBULL, BUFFALO, RIVERTON, TEN SLEEP, LOVELL, POWELL,  
AND SHELL  
832 AM MDT TUE MAY 19 2026  
   
..FREEZE WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING  
 
TEMPERATURES CONTINUE TO INCREASE THIS MORNING. THEREFORE, THE  
FREEZE WARNINGS WILL BE ALLOWED TO EXPIRE. HIGH TEMPERATURES TODAY  
REACH THE LOW-50S TO MID-60S TODAY. COLD TEMPERATURES RETURN AGAIN  
TONIGHT.  
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
WITTMANN  
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