187  
WWUS45 KBOU 181042  
WSWBOU  
 
URGENT - WINTER WEATHER MESSAGE  
NATIONAL WEATHER SERVICE DENVER CO  
442 AM MDT SUN MAY 18 2025  
 
COZ031-034-182100-  
/O.CON.KBOU.WW.Y.0024.250518T1200Z-250519T1200Z/  
WEST JACKSON AND WEST GRAND 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 BERTHOUD PASS, KENOSHA MOUNTAINS,  
BRECKENRIDGE, EISENHOWER TUNNEL, MT ZIRKEL, EAST SLOPES SOUTHERN  
GORE RANGE, EAST SLOPES MOSQUITO RANGE, WINTER PARK, INDIAN  
PEAKS, WILLIAMS FORK MOUNTAINS, AND MOUNT BLUE SKY  
442 AM MDT SUN MAY 18 2025  
   
..WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY
 
 
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS BETWEEN 3 TO 7  
INCHES FOR ELEVATIONS ABOVE 10,000 FEET. WINDS GUSTING AS HIGH AS  
45 MPH.  
 
* WHERE...RABBIT EARS PASS, AND THE MOUNTAINS OF SUMMIT COUNTY, THE  
MOSQUITO RANGE, AND THE INDIAN PEAKS.  
 
* WHEN...UNTIL 6 AM MDT MONDAY.  
 
* IMPACTS...SLICK TRAVEL CONDITIONS MAY DEVELOP OVER THE HIGH  
MOUNTAIN PASSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
SLOW DOWN AND USE CAUTION WHILE TRAVELING. THE LATEST ROAD  
CONDITIONS FOR COLORADO CAN BE OBTAINED BY CALLING 5 1 1 OR BY GOING  
TO WWW.COTRIP.ORG.  
 

 
 

 
 
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT  
HTTPS://WEATHER.GOV/BOU  
 
RODRIGUEZ  
 
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