596
WWUS75 KBOU 181812
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1112 AM MST THU DEC 18 2025
COZ033-034-190215-
/O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1800Z/
/O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/
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 WINTER PARK, LARAMIE AND MEDICINE BOW
MOUNTAINS, KENOSHA MOUNTAINS, EAST SLOPES SOUTHERN GORE RANGE,
EISENHOWER TUNNEL, MOUNT BLUE SKY, BRECKENRIDGE, ROCKY MOUNTAIN
NATIONAL PARK, RABBIT EARS RANGE, EAST SLOPES MOSQUITO RANGE, INDIAN
PEAKS, BERTHOUD PASS, WILLIAMS FORK MOUNTAINS, WILLOW CREEK PASS, AND
CAMERON PASS
1112 AM MST THU DEC 18 2025
..HIGH WIND WARNING HAS EXPIRED
...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING
THROUGH FRIDAY AFTERNOON...
* WHAT...FOR THE HIGH WIND WARNING, WEST WINDS 35 TO 45 MPH WITH
GUSTS UP TO 85 MPH.
* WHERE...ROCKY MOUNTAIN NATIONAL PARK AND THE MEDICINE BOW RANGE,
AND THE MOUNTAINS OF SUMMIT COUNTY, THE MOSQUITO RANGE, AND THE
INDIAN PEAKS.
* WHEN...FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON.
* IMPACTS...DAMAGING WINDS MAY BLOW DOWN TREES AND POWER LINES.
TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR HIGH PROFILE VEHICLES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
COZ050-051-181915-
/O.CON.KBOU.HW.W.0009.000000T0000Z-251218T1900Z/
SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF AMHERST, JULESBURG, HOLYOKE, HAXTUN,
SEDGWICK, AND OVID
1112 AM MST THU DEC 18 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY
* WHAT...NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 65 MPH.
* WHERE...SEDGWICK AND PHILLIPS COUNTIES, INCLUDING JULESBURG AND
HOLYOKE.
* WHEN...UNTIL NOON MST TODAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS AND A FEW
POWER OUTAGES MAY RESULT. TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR
HIGH PROFILE VEHICLES. STRONG WINDS MAY 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.
COZ035-036-190215-
/O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/
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 EVERGREEN, GEORGETOWN, ESTES PARK, BAILEY,
WESTCREEK, GLENDEVEY, NEDERLAND, RED FEATHER LAKES, IDAHO SPRINGS,
AND CENTRAL CITY
1112 AM MST THU DEC 18 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING
THROUGH FRIDAY AFTERNOON...
* WHAT...WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 85 MPH POSSIBLE.
* WHERE...THE NORTHERN FRONT RANGE FOOTHILLS, AND THE SOUTHERN FRONT
RANGE FOOTHILLS. STRONGEST WINDS IN THE FOOTHILLS OF BOULDER,
GILPIN, CLEAR CREEK AND JEFFERSON COUNTIES.
* WHEN...FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON.
* 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...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
COZ038-039-190215-
/O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND
JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-
INCLUDING THE CITIES OF FORT COLLINS, NUNN, GOLDEN, LOVELAND,
BOULDER, LONGMONT, ARVADA, LAKEWOOD, AND HEREFORD
1112 AM MST THU DEC 18 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...
* 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 FRIDAY MORNING THROUGH FRIDAY AFTERNOON.
* 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.
WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT, ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.
AVOID OUTDOOR BURNING OR ANY ACTIVITY THAT MAY CAUSE SPARKS. THE
STRONG WINDS MAY FUEL RAPID FIRE GROWTH IN AREAS FREE OF SNOW COVER.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/BOU
MEIER
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