979  
FLUS45 KRIW 150944  
HWORIW  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
344 AM MDT MON SEP 15 2025  
 
WYZ001>020-022>030-161345-  
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS-  
NORTH BIGHORN BASIN-SOUTHWEST BIGHORN BASIN-SOUTHEAST BIGHORN BASIN-  
OWL CREEK AND BRIDGER MOUNTAINS-BIGHORN MOUNTAINS WEST-  
BIGHORN MOUNTAINS SOUTHEAST-NORTHEAST JOHNSON COUNTY-  
SOUTHEAST JOHNSON COUNTY-TETON AND GROS VENTRE MOUNTAINS-  
JACKSON HOLE-WIND RIVER MOUNTAINS WEST-WIND RIVER MOUNTAINS EAST-  
UPPER WIND RIVER BASIN-WIND RIVER BASIN-LANDER FOOTHILLS-  
GREEN MOUNTAINS AND RATTLESNAKE RANGE-  
NATRONA COUNTY LOWER ELEVATIONS-CASPER MOUNTAIN-STAR VALLEY-  
SALT RIVER AND WYOMING RANGES-UPPER GREEN RIVER BASIN FOOTHILLS-  
UPPER GREEN RIVER BASIN-SOUTH LINCOLN COUNTY-  
ROCK SPRINGS AND GREEN RIVER-FLAMING GORGE-EAST SWEETWATER COUNTY-  
344 AM MDT MON SEP 15 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.  
   
DAY ONE  
TODAY AND TONIGHT.  
 
SHOWERS AND THUNDERSTORMS WILL SPREAD ACROSS WESTERN AND CENTRAL  
WYOMING TODAY. SOME STORMS COULD PRODUCE GUSTY WINDS AND SMALL HAIL  
THIS AFTERNOON.  
 
COOLER TEMPERATURES WILL MOVE INTO WESTERN WYOMING OVERNIGHT, WITH A  
FEW AREAS APPROACHING FREEZING.  
   
DAYS TWO THROUGH SEVEN  
TUESDAY THROUGH SUNDAY.  
 
SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THE DAY TUESDAY.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
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