782  
FLUS45 KRIW 140939  
HWORIW  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
339 AM MDT SUN SEP 14 2025  
 
WYZ001>020-022>030-151345-  
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-  
339 AM MDT SUN SEP 14 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.  
   
DAY ONE  
TODAY AND TONIGHT.  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN  
MONDAY THROUGH SATURDAY.  
 
SHOWERS AND THUNDERSTORMS RETURN MONDAY AND TUESDAY WITH THE NEXT  
WEATHER SYSTEM.  
 
TUESDAY NIGHT...TEMPERATURES IN LOWLYING VALLEYS AND BASINS WEST OF  
THE DIVIDE WILL FALL TO NEAR FREEZING.  
   
SPOTTER INFORMATION STATEMENT  
 
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.  
 
 
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