343  
WWUS45 KBYZ 131446  
WSWBYZ  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE BILLINGS MT  
746 AM MST SAT DEC 13 2025  
 
MTZ031-032-131600-  
/O.EXP.KBYZ.WS.W.0019.000000T0000Z-251213T1500Z/  
NORTHERN ROSEBUD-CUSTER-  
INCLUDING THE LOCATIONS OF INGOMAR, MILES CITY, ANGELA, ISMAY,  
FORSYTH, COLSTRIP, AND VOLBORG  
746 AM MST SAT DEC 13 2025  
   
..WINTER STORM WARNING WILL EXPIRE AT 8 AM MST THIS MORNING
 
 
THE THREAT FOR IMPACTFUL SNOW ACCUMULATIONS HAS ENDED, THEREFORE THE  
WARNING HAS BEEN CANCELLED. ROADS REMAIN SLICK AND SNOWPACKED SO  
CONTINUE TO USE CAUTION IF YOU MUST TRAVEL.  
 

 
 
MTZ033-036-037-131600-  
/O.EXP.KBYZ.WW.Y.0041.000000T0000Z-251213T1500Z/  
FALLON-POWDER RIVER-CARTER-  
INCLUDING THE LOCATIONS OF BIDDLE, POWDERVILLE, PLEVNA, HAMMOND,  
EKALAKA, SONNETTE, BAKER, WEBSTER, ALZADA, BROADUS, AND BELLTOWER  
746 AM MST SAT DEC 13 2025  
   
..WINTER WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING
 
 
AREAS OF LIGHT SNOW OR FLURRIES ARE STILL POSSIBLE THIS MORNING, BUT  
ADDITIONAL ACCUMULATIONS WILL BE TOO LIGHT TO CAUSE ADDITIONAL  
IMPACTS. ROADS WILL REMAIN SLICK AND SNOWPACKED SO CONTINUE TO USE  
CAUTION IF YOU MUST TRAVEL.  
 

 
 
ADDITIONAL GRAPHICS FOR THIS HAZARD CAN BE FOUND AT  
HTTP://WWW.WEATHER.GOV/BILLINGS  
 
TESAR  
 
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