918
WWUS75 KBOU 180655
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1155 PM MST WED DEC 17 2025
COZ038-181400-
/O.EXP.KBOU.HW.W.0010.000000T0000Z-251218T0700Z/
/O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
INCLUDING THE CITIES OF LOVELAND, NUNN, FORT COLLINS, AND HEREFORD
1155 PM MST WED DEC 17 2025
..HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MST TONIGHT
...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...
* WHAT...WEST WINDS 25 TO 35 MPH WITH GUSTS GREATER THAN 60 MPH
POSSIBLE.
* WHERE...FORT COLLINS.
* WHEN...FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS AND A FEW
POWER OUTAGES MAY RESULT. TRAVEL COULD BE DIFFICULT, ESPECIALLY FOR
HIGH PROFILE VEHICLES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
COZ042-044-046-048-049-180800-
/O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0700Z/
NORTHEAST WELD COUNTY-MORGAN COUNTY-NORTH AND NORTHEAST ELBERT
COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-
WASHINGTON COUNTY-
INCLUDING THE CITIES OF AGATE, PAWNEE BUTTES, FORT MORGAN, LIMON,
MATHESON, LAST CHANCE, STONEHAM, OTIS, WIGGINS, GROVER, PEETZ, HUGO,
BRUSH, STERLING, CROOK, AKRON, GOODRICH, RAYMER, MERINO, COPE, AND
BRIGGSDALE
1155 PM MST WED DEC 17 2025
..HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MST TONIGHT
WINDS HAVE DECREASED SLIGHTLY, BUT GUSTS OF 40 TO 50 MPH CAN STILL BE
EXPECTED OVERNIGHT.
COZ033>036-181400-
/O.CON.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/
/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-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 BRECKENRIDGE, EAST SLOPES MOSQUITO RANGE,
KENOSHA MOUNTAINS, GLENDEVEY, WESTCREEK, ROCKY MOUNTAIN NATIONAL
PARK, WINTER PARK, RED FEATHER LAKES, WILLIAMS FORK MOUNTAINS, WILLOW
CREEK PASS, NEDERLAND, EISENHOWER TUNNEL, LARAMIE AND MEDICINE BOW
MOUNTAINS, CAMERON PASS, EVERGREEN, ESTES PARK, BAILEY, RABBIT EARS
RANGE, CENTRAL CITY, IDAHO SPRINGS, BERTHOUD PASS, GEORGETOWN, MOUNT
BLUE SKY, INDIAN PEAKS, AND EAST SLOPES SOUTHERN GORE RANGE
1155 PM MST WED DEC 17 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY
...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON...
* WHAT...FOR THE HIGH WIND WARNING, WEST WINDS 30 TO 40 MPH WITH
GUSTS UP TO 100 MPH OR MORE ABOVE TIMBERLINE. GUSTS UP TO 80 MPH IN
THE FOOTHILLS. FOR THE HIGH WIND WATCH, WEST WINDS 30 TO 40 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...FOR THE HIGH WIND WARNING, UNTIL 5 AM MST THURSDAY. FOR THE
HIGH WIND WATCH, FROM THURSDAY 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...
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.
COZ050-051-181400-
/O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/
SEDGWICK COUNTY-PHILLIPS COUNTY-
INCLUDING THE CITIES OF HAXTUN, JULESBURG, OVID, HOLYOKE, AMHERST,
AND SEDGWICK
1155 PM MST WED DEC 17 2025
...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO NOON MST
THURSDAY...
* WHAT...NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 60 MPH.
* WHERE...JULESBURG, AND HOLYOKE.
* WHEN...FROM 5 AM TO NOON MST THURSDAY.
* IMPACTS...GUSTY WINDS WILL BLOW AROUND UNSECURED OBJECTS AND A FEW
POWER OUTAGES MAY RESULT. TRAVEL WILL BE DIFFICULT, ESPECIALLY FOR
HIGH PROFILE VEHICLES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PEOPLE ARE URGED TO SECURE LOOSE OBJECTS THAT COULD BE BLOWN AROUND
OR DAMAGED BY THE WIND.
COZ039-181400-
/O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF GOLDEN, BOULDER, LONGMONT, ARVADA, AND
LAKEWOOD
1155 PM MST WED DEC 17 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY AFTERNOON...
* WHAT...WEST WINDS 25 TO 40 MPH WITH GUSTS UP TO 75 MPH POSSIBLE.
* WHERE...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...
MONITOR THE LATEST FORECASTS AND WARNINGS FOR UPDATES.
FOR MORE INFORMATION FROM THE NATIONAL WEATHER SERVICE, VISIT
HTTPS://WEATHER.GOV/BOU
20
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