095
WWUS45 KBOU 031943
WSWBOU
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
143 PM MDT SUN MAY 3 2026
COZ033-035-040630-
/O.NEW.KBOU.WS.A.0003.260505T0600Z-260506T1800Z/
SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST
GRAND/NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-LARIMER AND
BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-
INCLUDING THE CITIES OF RABBIT EARS RANGE, GLENDEVEY, WILLOW CREEK
PASS, ROCKY MOUNTAIN NATIONAL PARK, LARAMIE AND MEDICINE BOW
MOUNTAINS, NEDERLAND, ESTES PARK, RED FEATHER LAKES, AND CAMERON PASS
143 PM MDT SUN MAY 3 2026
...WINTER STORM WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
WEDNESDAY MORNING...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 6 AND
14 INCHES POSSIBLE, WITH ISOLATED TOTALS UP TO 20 INCHES POSSIBLE
ABOVE 8,000 FEET.
* WHERE...ROCKY MOUNTAIN NATIONAL PARK AND THE MEDICINE BOW RANGE,
AND THE NORTHERN FRONT RANGE FOOTHILLS.
* WHEN...FROM LATE MONDAY NIGHT THROUGH WEDNESDAY MORNING.
* IMPACTS...HEAVY SNOW WILL ACCUMULATE ON TREE BRANCHES AND
POWERLINES, POSSIBLY CAUSING THEM TO BREAK AND LEAD TO POWER
OUTAGES. TRAVEL COULD BE VERY DIFFICULT AT TIMES, ESPECIALLY
TUESDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS APPROACHING STORM.
CONSIDERABLE UNCERTAINTY STILL EXISTS WITH THE STORM TRACK, BUT
CONFIDENCE IS INCREASING THAT IMPACTFUL SNOWFALL WILL DEVELOP.
COZ034-036-040630-
/O.NEW.KBOU.WS.A.0003.260505T1200Z-260507T0000Z/
SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST
BOULDER/GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES
ABOVE 9000 FEET-JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE
6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW
9000 FEET-
INCLUDING THE CITIES OF EISENHOWER TUNNEL, INDIAN PEAKS, EVERGREEN,
MOUNT BLUE SKY, WESTCREEK, BERTHOUD PASS, BRECKENRIDGE, KENOSHA
MOUNTAINS, CENTRAL CITY, EAST SLOPES SOUTHERN GORE RANGE, EAST SLOPES
MOSQUITO RANGE, GEORGETOWN, IDAHO SPRINGS, BAILEY, WILLIAMS FORK
MOUNTAINS, AND WINTER PARK
143 PM MDT SUN MAY 3 2026
...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
* WHAT...HEAVY SNOW POSSIBLE. TOTAL SNOW ACCUMULATIONS BETWEEN 4 AND
10 INCHES POSSIBLE, WITH ISOLATED TOTALS UP TO 18 INCHES POSSIBLE
ALONG AND NORTH OF I-70.
* WHERE...THE MOUNTAINS OF SUMMIT COUNTY, THE MOSQUITO RANGE, AND THE
INDIAN PEAKS, AND THE SOUTHERN FRONT RANGE FOOTHILLS.
* WHEN...FROM TUESDAY MORNING THROUGH WEDNESDAY AFTERNOON.
* IMPACTS...HEAVY SNOW WILL ACCUMULATE ON TREE BRANCHES AND
POWERLINES, POSSIBLY CAUSING THEM TO BREAK AND LEAD TO POWER
OUTAGES. TRAVEL COULD BE VERY DIFFICULT AT TIMES, ESPECIALLY
TUESDAY NIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS FOR UPDATES ON THIS APPROACHING STORM.
CONSIDERABLE UNCERTAINTY STILL EXISTS WITH THE STORM TRACK, BUT
CONFIDENCE IS INCREASING THAT IMPACTFUL SNOWFALL WILL DEVELOP.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/BOU
HIRIS
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