331  
WWUS45 KRIW 020745  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1245 AM MST TUE DEC 2 2025  
 
WYZ012-030600-  
/O.CON.KRIW.WW.Y.0033.000000T0000Z-251203T0600Z/  
TETON AND GROS VENTRE MOUNTAINS-  
1245 AM MST TUE DEC 2 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM MST  
TONIGHT...  
 
* WHAT...SNOW EXPECTED. ADDITIONAL SNOW ACCUMULATIONS UP TO 6 INCHES  
OVER THE TETONS. ACCUMULATIONS BETWEEN 1 AND 3 INCHES ELSEWHERE IN  
THE ZONE. WINDS GUSTING AS HIGH AS 35 MPH WILL OCCUR WITH THE SNOW  
THIS MORNING, WITH WINDS DECREASING THROUGH THE AFTERNOON.  
 
* WHERE...TETON AND GROS VENTRE MOUNTAINS.  
 
* WHEN...UNTIL 11 PM MST THIS EVENING.  
 
* IMPACTS...TRAVEL COULD BE DIFFICULT, ESPECIALLY OVER TETON PASS.  
THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY MORNING AND  
EVENING COMMUTES.  
 
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/ .  
 
TL  
 
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