539  
WWUS45 KBOU 232350  
WSWBOU  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER CO  
550 PM MDT TUE SEP 23 2025  
 
COZ033-034-240100-  
/O.EXP.KBOU.WW.Y.0025.000000T0000Z-250924T0000Z/  
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST  
GRAND/NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND  
SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR  
CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-  
INCLUDING THE CITIES OF ROCKY MOUNTAIN NATIONAL PARK, WINTER  
PARK, CAMERON PASS, RABBIT EARS RANGE, EAST SLOPES MOSQUITO  
RANGE, EAST SLOPES SOUTHERN GORE RANGE, KENOSHA MOUNTAINS, WILLOW  
CREEK PASS, MOUNT BLUE SKY, BRECKENRIDGE, INDIAN PEAKS, LARAMIE  
AND MEDICINE BOW MOUNTAINS, WILLIAMS FORK MOUNTAINS, EISENHOWER  
TUNNEL, AND BERTHOUD PASS  
550 PM MDT TUE SEP 23 2025  
   
..WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING  
 
LIGHT TO MODERATE SNOW WILL CONTINUE TO IMPACT THE HIGHER FRONT  
RANGE MOUNTAINS THROUGH THIS EVENING, BUT SIGNIFICANT IMPACTS  
OUTSIDE OF LOCALLY SLUSHY ROADS ARE NOT ANTICIPATED ON ANY OF THE  
MAJOR OPENED PASSES. 1 TO 4 INCHES OF ADDITIONAL SNOW ACCUMULATIONS  
CAN BE EXPECTED FOR THE HIGHER EAST-FACING SLOPES ABOVE 10,500 FT IN  
ELEVATION THROUGH THIS EVENING.  
 
 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/BOU  
 
RODRIGUEZ  
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