000
WWUS75 KBOU 182119
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
219 PM MST THU DEC 18 2025
COZ033>036-191300-
/O.UPG.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/
/O.NEW.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 INDIAN PEAKS, EVERGREEN, BRECKENRIDGE,
CAMERON PASS, IDAHO SPRINGS, WESTCREEK, EAST SLOPES SOUTHERN GORE
RANGE, RED FEATHER LAKES, RABBIT EARS RANGE, BAILEY, KENOSHA
MOUNTAINS, LARAMIE AND MEDICINE BOW MOUNTAINS, CENTRAL CITY, ESTES
PARK, WINTER PARK, WILLOW CREEK PASS, MOUNT BLUE SKY, WILLIAMS FORK
MOUNTAINS, EISENHOWER TUNNEL, GLENDEVEY, BERTHOUD PASS, NEDERLAND,
ROCKY MOUNTAIN NATIONAL PARK, EAST SLOPES MOSQUITO RANGE, AND
GEORGETOWN
219 PM MST THU DEC 18 2025
...HIGH WIND WARNING 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 LOWER FOOTHILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
COZ038-039-191300-
/O.UPG.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/
/O.NEW.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 LONGMONT, HEREFORD, BOULDER, LAKEWOOD, NUNN,
GOLDEN, FORT COLLINS, LOVELAND, AND ARVADA
219 PM MST THU DEC 18 2025
..HIGH WIND WARNING 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
HIRIS
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