610  
WWUS45 KRIW 060700  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
100 AM MDT TUE MAY 6 2025  
 
WYZ008-009-061800-  
/O.CON.KRIW.WW.Y.0023.000000T0000Z-250506T1800Z/  
BIGHORN MOUNTAINS WEST-BIGHORN MOUNTAINS SOUTHEAST-  
100 AM MDT TUE MAY 6 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
 
 
* WHAT...SNOW EXPECTED. ADDITIONAL ACCUMULATIONS OF 2 TO 4 INCHES.  
WINDS GUSTING AS HIGH AS 40 MPH.  
 
* WHERE...BIGHORN MOUNTAINS SOUTHEAST AND BIGHORN MOUNTAINS WEST.  
 
* WHEN...UNTIL NOON MDT TODAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 

 
 

 
 
WYZ015-061800-  
/O.CON.KRIW.WW.Y.0023.000000T0000Z-250506T1800Z/  
WIND RIVER MOUNTAINS EAST-  
100 AM MDT TUE MAY 6 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY
 
 
* WHAT...SNOW. ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES. WINDS  
GUSTING AS HIGH AS 50 MPH.  
 
* WHERE...WIND RIVER MOUNTAINS EAST.  
 
* WHEN...UNTIL NOON MDT TODAY.  
 
* IMPACTS...PLAN ON SLIPPERY ROAD CONDITIONS, INCLUDING OVER SOUTH  
PASS.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING.  
 
FOR GRAPHICAL DEPICTIONS OF THE SNOWFALL FORECAST, INCLUDING THE  
OFFICIAL NWS FORECAST, HIGH END AMOUNTS, AND LOW END AMOUNTS, VISIT  
HTTPS://WEATHER.GOV/RIW/WINTER .  
 
FOR WINTER ROAD CONDITIONS FROM THE WYOMING DEPARTMENT OF  
TRANSPORTATION, VISIT HTTPS://WYOROAD.INFO .  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/RIW/ .  
 
HATTINGS  
 
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