821
WWUS75 KBOU 190101
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
601 PM MST THU DEC 18 2025
COZ033>036-191315-
/O.CON.KBOU.HW.W.0011.251219T0400Z-251220T0300Z/
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-LARIMER
AND BOULDER COUNTIES BETWEEN 6000 AND 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, LARAMIE AND MEDICINE BOW
MOUNTAINS, WESTCREEK, CAMERON PASS, ESTES PARK, MOUNT BLUE SKY,
BERTHOUD PASS, EAST SLOPES SOUTHERN GORE RANGE, RABBIT EARS RANGE,
WINTER PARK, GEORGETOWN, GLENDEVEY, BAILEY, IDAHO SPRINGS, CENTRAL
CITY, EVERGREEN, BRECKENRIDGE, WILLIAMS FORK MOUNTAINS, NEDERLAND,
INDIAN PEAKS, ROCKY MOUNTAIN NATIONAL PARK, KENOSHA MOUNTAINS, RED
FEATHER LAKES, EAST SLOPES MOSQUITO RANGE, AND WILLOW CREEK PASS
601 PM MST THU DEC 18 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 8 PM
MST FRIDAY...
* WHAT...WEST WINDS 35 TO 50 MPH WITH GUSTS UP TO 100 MPH POSSIBLE.
* WHERE...ROCKY MOUNTAIN NATIONAL PARK AND THE MEDICINE BOW RANGE,
THE MOUNTAINS OF SUMMIT COUNTY, THE MOSQUITO RANGE, AND THE INDIAN
PEAKS, THE NORTHERN FRONT RANGE FOOTHILLS, AND THE SOUTHERN FRONT
RANGE FOOTHILLS.
* WHEN...FROM 9 PM THIS EVENING TO 8 PM MST FRIDAY.
* IMPACTS...DAMAGING WINDS MAY BLOW DOWN TREES AND POWER LINES, WITH
POWER OUTAGES POSSIBLE. TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR
HIGH PROFILE VEHICLES. STRONG WINDS MAY LEAD TO RAPID FIRE GROWTH
OF ANY NEW FIRE IN THE FOOTHILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
COZ038-039-191315-
/O.CON.KBOU.HW.W.0011.251219T1900Z-251220T0300Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND
JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-
INCLUDING THE CITIES OF LAKEWOOD, HEREFORD, FORT COLLINS, LONGMONT,
LOVELAND, BOULDER, NUNN, ARVADA, AND GOLDEN
601 PM MST THU DEC 18 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MST
FRIDAY...
* WHAT...WEST WINDS 25 TO 40 MPH WITH GUSTS UP TO 85 MPH, STRONGEST
NEAR THE BASE OF THE FOOTHILLS.
* WHERE...FORT COLLINS, LONGMONT, BOULDER, AND THE WESTERN SUBURBS OF
DENVER.
* WHEN...FROM NOON TO 8 PM MST FRIDAY.
* IMPACTS...DAMAGING WINDS MAY BLOW DOWN TREES AND POWER LINES.
SCATTERED POWER OUTAGES ARE POSSIBLE. TRAVEL WILL BE DIFFICULT,
ESPECIALLY FOR HIGH PROFILE VEHICLES. STRONG WINDS WILL LEAD TO
RAPID FIRE GROWTH OF ANY NEW FIRE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/BOU
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