642  
FLUS45 KRIW 260915  
HWORIW  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
315 AM MDT SUN OCT 26 2025  
 
WYZ001>020-022>030-271315-  
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-  
315 AM MDT SUN OCT 26 2025  
 
...WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES IN EFFECT  
TONIGHT THROUGH MONDAY AFTERNOON FOR THE WESTERN WYOMING MOUNTAINS...  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
GUSTY SOUTHWEST WINDS CONTINUE TODAY. AREAS FROM SOUTH PASS TO CASPER  
COULD GUST ABOVE 40 MPH.  
 
THE NEXT WINTER SYSTEM CONTINUES TO BRING SNOWFALL TO MOUNTAIN AREAS  
AND COLDER TEMPERATURES ACROSS THE STATE. WINTER WEATHER TRAVEL  
CONDITIONS EXPECTED ACROSS MOUNTAIN PASSES.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
SNOWFALL CONTINUES ACROSS MOUNTAINOUS AREAS THROUGH MONDAY EVENING.  
   
SPOTTER INFORMATION STATEMENT
 
 
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER  
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page Main Text Page