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FLUS45 KRIW 230134  
HWORIW  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE RIVERTON WY  
734 PM MDT THU OCT 22 2020  
 
WYZ001>020-022>030-240145-  
YELLOWSTONE NATIONAL PARK-ABSAROKA MOUNTAINS-CODY FOOTHILLS-  
NORTH BIG HORN BASIN-SOUTHWEST BIG HORN BASIN-  
SOUTHEAST BIG HORN 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-  
734 PM MDT THU OCT 22 2020  
   
..WINTER STORM WATCH FRIDAY NIGHT THROUGH SATURDAY NIGHT
 
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.  
   
DAY ONE
 
TONIGHT.  
 
NO HAZARDOUS WEATHER EXPECTED.  
   
DAYS TWO THROUGH SEVEN
 
FRIDAY THROUGH WEDNESDAY.  
 
FRIDAY NIGHT THROUGH SUNDAY...SNOW WILL START OVER NORTHWESTERN  
PORTIONS FRIDAY NIGHT, SPREADING ACROSS THE STATE THROUGH THE DAY  
SATURDAY. THE HEAVIEST SNOW WILL OCCUR OVER NORTHERN AND  
NORTHWESTERN PORTIONS.  
 
SUNDAY AND MONDAY...RECORD COLD TEMPERATURES, BOTH DAYTIME HIGHS  
AND OVERNIGHT LOWS.  
   
SPOTTER INFORMATION STATEMENT
 
 
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER  
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.  
 

 
 
TEAM RIVERTON  
 
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