553  
WWUS45 KRIW 011907  
WSWRIW  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE RIVERTON WY  
1207 PM MST MON DEC 1 2025  
 
WYZ012-021200-  
/O.CON.KRIW.WW.Y.0033.251202T0600Z-251203T0600Z/  
TETON AND GROS VENTRE MOUNTAINS-  
1207 PM MST MON DEC 1 2025  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING  
TO 11 PM MST TUESDAY...  
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 6 TO 12 INCHES  
OVER THE HIGHER ELEVATIONS OF THE TETONS. OTHER LOCATIONS  
INCLUDING THE GROS VENTRE RANGE MAY SEE TOTAL SNOW ACCUMULATIONS  
OF 3 TO 6 INCHES. WINDS GUSTING AS HIGH AS 35 MPH WILL OCCUR WITH  
THE SNOW. THE STRONGEST WINDS ARE EXPECTED TO OCCUR DURING THE  
MORNING HOURS TUESDAY.  
 
* WHERE...TETON AND GROS VENTRE MOUNTAINS.  
 
* WHEN...FROM 11 PM MST MONDAY EVENING TO 11 PM MST TUESDAY.  
 
* 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/ .  
 
DZIEWALTOWSKI  
 
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