402
WWUS45 KBOU 171027
WSWBOU
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
427 AM MDT SUN MAY 17 2026
COZ033-034-172130-
/O.NEW.KBOU.WW.Y.0018.260518T0600Z-260519T0000Z/
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 LARAMIE AND MEDICINE BOW MOUNTAINS,
EISENHOWER TUNNEL, WILLOW CREEK PASS, WINTER PARK, RABBIT EARS RANGE,
EAST SLOPES SOUTHERN GORE RANGE, BERTHOUD PASS, INDIAN PEAKS, KENOSHA
MOUNTAINS, MOUNT BLUE SKY, EAST SLOPES MOSQUITO RANGE, WILLIAMS FORK
MOUNTAINS, CAMERON PASS, ROCKY MOUNTAIN NATIONAL PARK, AND
BRECKENRIDGE
427 AM MDT SUN MAY 17 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM
MDT MONDAY...
* WHAT...SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 3 TO 15 INCHES.
WINDS GUSTING AS HIGH AS 45 MPH.
* WHERE...ROCKY MOUNTAIN NATIONAL PARK AND THE MEDICINE BOW RANGE,
THE MOUNTAINS OF SUMMIT COUNTY, THE MOSQUITO RANGE, AND THE INDIAN
PEAKS.
* WHEN...FROM MIDNIGHT TONIGHT TO 6 PM MDT MONDAY.
* IMPACTS...TRAVEL COULD BE VERY DIFFICULT. THE HAZARDOUS CONDITIONS
WILL IMPACT THE MONDAY MORNING AND EVENING COMMUTES.
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
AP
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