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Home Return to list High Wind Watch 0009 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2025-12-17 15:27:22 905 WWUS75 KBOU 172126 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 226 PM MST Wed Dec 17 2025 COZ050-051-180215- /O.UPG.KBOU.HW.A.0008.251218T1200Z-251219T0000Z/ /O.EXB.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Ovid, Holyoke, Haxtun, Amherst, Sedgwick, and Julesburg 226 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO NOON MST THURSDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Sedgwick and Phillips Counties, including 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. && $$ COZ033>036-180215- /O.NEW.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/ 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 Cameron Pass, Eisenhower Tunnel, Georgetown, Estes Park, Glendevey, Breckenridge, Williams Fork Mountains, Westcreek, Berthoud Pass, Laramie and Medicine Bow Mountains, Red Feather Lakes, Winter Park, Rocky Mountain National Park, Central City, Indian Peaks, Bailey, East Slopes Mosquito Range, Nederland, Mount Blue Sky, Willow Creek Pass, Idaho Springs, Evergreen, Rabbit Ears Range, Kenosha Mountains, and East Slopes Southern Gore Range 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts up to 90 mph expected, with the strongest winds focused over wind-prone locations in the foothills. For the High Wind Watch, west winds up to 50 mph, with gusts up to 90 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, the Indian Peaks, and the 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. && $$ COZ038-039-180215- /O.NEW.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Golden, Arvada, Fort Collins, Lakewood, Loveland, Longmont, Hereford, Nunn, and Boulder 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts 65 to 85 mph expected. For the High Wind Watch, west winds up to 50 mph with gusts up to 80 mph possible. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...For the High Wind Warning, until 7 PM MST this evening. For the High Wind Watch, from Friday morning through Friday afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will likely lead to rapid fire growth of any new fire. Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could 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. 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 will likely fuel rapid fire growth. Monitor the latest forecasts and warnings for updates. && $$ COZ042-044-048-049-180215- /O.CON.KBOU.HW.W.0009.251218T0000Z-251218T0700Z/ Northeast Weld County-Morgan County-Logan County-Washington County- Including the cities of Grover, Raymer, Stoneham, Sterling, Crook, Pawnee Buttes, Merino, Peetz, Fort Morgan, Last Chance, Briggsdale, Cope, Wiggins, Akron, Brush, Otis, and Goodrich 226 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Briggsdale, Fort Morgan, Sterling, and Akron. * WHEN...Until midnight MST tonight. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 41 Action: New Issued At: 2025-12-17 15:27:22 905 WWUS75 KBOU 172126 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 226 PM MST Wed Dec 17 2025 COZ050-051-180215- /O.UPG.KBOU.HW.A.0008.251218T1200Z-251219T0000Z/ /O.EXB.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Ovid, Holyoke, Haxtun, Amherst, Sedgwick, and Julesburg 226 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT FROM 5 AM TO NOON MST THURSDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Sedgwick and Phillips Counties, including 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. && $$ COZ033>036-180215- /O.NEW.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/ 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 Cameron Pass, Eisenhower Tunnel, Georgetown, Estes Park, Glendevey, Breckenridge, Williams Fork Mountains, Westcreek, Berthoud Pass, Laramie and Medicine Bow Mountains, Red Feather Lakes, Winter Park, Rocky Mountain National Park, Central City, Indian Peaks, Bailey, East Slopes Mosquito Range, Nederland, Mount Blue Sky, Willow Creek Pass, Idaho Springs, Evergreen, Rabbit Ears Range, Kenosha Mountains, and East Slopes Southern Gore Range 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST THURSDAY... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts up to 90 mph expected, with the strongest winds focused over wind-prone locations in the foothills. For the High Wind Watch, west winds up to 50 mph, with gusts up to 90 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, the Mountains of Summit County, the Mosquito Range, the Indian Peaks, and the 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. && $$ COZ038-039-180215- /O.NEW.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Golden, Arvada, Fort Collins, Lakewood, Loveland, Longmont, Hereford, Nunn, and Boulder 226 PM MST Wed Dec 17 2025 ...HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... * WHAT...For the High Wind Warning, west winds 30 to 50 mph with gusts 65 to 85 mph expected. For the High Wind Watch, west winds up to 50 mph with gusts up to 80 mph possible. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...For the High Wind Warning, until 7 PM MST this evening. For the High Wind Watch, from Friday morning through Friday afternoon. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will likely lead to rapid fire growth of any new fire. Damaging winds could blow down trees and power lines. Widespread power outages are possible. Travel could 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. 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 will likely fuel rapid fire growth. Monitor the latest forecasts and warnings for updates. && $$ COZ042-044-048-049-180215- /O.CON.KBOU.HW.W.0009.251218T0000Z-251218T0700Z/ Northeast Weld County-Morgan County-Logan County-Washington County- Including the cities of Grover, Raymer, Stoneham, Sterling, Crook, Pawnee Buttes, Merino, Peetz, Fort Morgan, Last Chance, Briggsdale, Cope, Wiggins, Akron, Brush, Otis, and Goodrich 226 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Briggsdale, Fort Morgan, Sterling, and Akron. * WHEN...Until midnight MST tonight. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 41 Action: Continued Issued At: 2025-12-17 19:57:59 426 WWUS75 KBOU 180157 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 657 PM MST Wed Dec 17 2025 COZ038-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.NEW.KBOU.HW.W.0010.251218T0200Z-251218T0700Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Including the cities of Hereford, Fort Collins, Nunn, and Loveland 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, northwest winds 20 to 35 mph with gusts up to 60 mph expected. For the High Wind Watch, west winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Fort Collins. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ039-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Arvada, Golden, Lakewood, Boulder, and Longmont 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 40 mph with gusts up to 75 mph possible. * WHERE...Boulder and the western suburbs of Denver. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ COZ046-180700- /O.EXB.KBOU.HW.W.0009.251218T0200Z-251218T0700Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including the cities of Limon, Agate, Hugo, and Matheson 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Limon. * WHEN...Until midnight MST tonight. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Blowing dust will reduce visibility to less than a quarter mile in places. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ033>036-181300- /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 East Slopes Southern Gore Range, East Slopes Mosquito Range, Georgetown, Idaho Springs, Williams Fork Mountains, Indian Peaks, Winter Park, Red Feather Lakes, Estes Park, Kenosha Mountains, Central City, Laramie and Medicine Bow Mountains, Evergreen, Nederland, Westcreek, Rocky Mountain National Park, Mount Blue Sky, Cameron Pass, Breckenridge, Berthoud Pass, Willow Creek Pass, Bailey, Rabbit Ears Range, Eisenhower Tunnel, and Glendevey 657 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. Monitor the latest forecasts and warnings for updates. && $$ COZ042-044-048-049-180700- /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T0700Z/ Northeast Weld County-Morgan County-Logan County-Washington County- Including the cities of Briggsdale, Stoneham, Merino, Otis, Goodrich, Raymer, Last Chance, Pawnee Buttes, Akron, Crook, Brush, Sterling, Grover, Cope, Wiggins, Peetz, and Fort Morgan 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Briggsdale, Fort Morgan, Sterling, and Akron. * WHEN...Until midnight MST tonight. * 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. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ COZ050-051-181300- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Haxtun, Amherst, Sedgwick, Holyoke, Ovid, and Julesburg 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO NOON MST THURSDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...From 5 AM to noon MST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 22 Action: Continued Issued At: 2025-12-17 19:57:59 426 WWUS75 KBOU 180157 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 657 PM MST Wed Dec 17 2025 COZ038-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.NEW.KBOU.HW.W.0010.251218T0200Z-251218T0700Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Including the cities of Hereford, Fort Collins, Nunn, and Loveland 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, northwest winds 20 to 35 mph with gusts up to 60 mph expected. For the High Wind Watch, west winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Fort Collins. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ039-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Arvada, Golden, Lakewood, Boulder, and Longmont 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 40 mph with gusts up to 75 mph possible. * WHERE...Boulder and the western suburbs of Denver. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ COZ046-180700- /O.EXB.KBOU.HW.W.0009.251218T0200Z-251218T0700Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including the cities of Limon, Agate, Hugo, and Matheson 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Limon. * WHEN...Until midnight MST tonight. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Blowing dust will reduce visibility to less than a quarter mile in places. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ033>036-181300- /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 East Slopes Southern Gore Range, East Slopes Mosquito Range, Georgetown, Idaho Springs, Williams Fork Mountains, Indian Peaks, Winter Park, Red Feather Lakes, Estes Park, Kenosha Mountains, Central City, Laramie and Medicine Bow Mountains, Evergreen, Nederland, Westcreek, Rocky Mountain National Park, Mount Blue Sky, Cameron Pass, Breckenridge, Berthoud Pass, Willow Creek Pass, Bailey, Rabbit Ears Range, Eisenhower Tunnel, and Glendevey 657 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. Monitor the latest forecasts and warnings for updates. && $$ COZ042-044-048-049-180700- /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T0700Z/ Northeast Weld County-Morgan County-Logan County-Washington County- Including the cities of Briggsdale, Stoneham, Merino, Otis, Goodrich, Raymer, Last Chance, Pawnee Buttes, Akron, Crook, Brush, Sterling, Grover, Cope, Wiggins, Peetz, and Fort Morgan 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Briggsdale, Fort Morgan, Sterling, and Akron. * WHEN...Until midnight MST tonight. * 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. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ COZ050-051-181300- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Haxtun, Amherst, Sedgwick, Holyoke, Ovid, and Julesburg 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO NOON MST THURSDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...From 5 AM to noon MST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 22 Action: Continued Issued At: 2025-12-17 19:57:59 426 WWUS75 KBOU 180157 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 657 PM MST Wed Dec 17 2025 COZ038-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.NEW.KBOU.HW.W.0010.251218T0200Z-251218T0700Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Including the cities of Hereford, Fort Collins, Nunn, and Loveland 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, northwest winds 20 to 35 mph with gusts up to 60 mph expected. For the High Wind Watch, west winds 25 to 35 mph with gusts up to 60 mph possible. * WHERE...Fort Collins. * WHEN...For the High Wind Warning, until midnight MST tonight. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ039-181300- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T0200Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Arvada, Golden, Lakewood, Boulder, and Longmont 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 40 mph with gusts up to 75 mph possible. * WHERE...Boulder and the western suburbs of Denver. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are expected. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ COZ046-180700- /O.EXB.KBOU.HW.W.0009.251218T0200Z-251218T0700Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County- Including the cities of Limon, Agate, Hugo, and Matheson 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Limon. * WHEN...Until midnight MST tonight. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Blowing dust will reduce visibility to less than a quarter mile in places. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ033>036-181300- /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 East Slopes Southern Gore Range, East Slopes Mosquito Range, Georgetown, Idaho Springs, Williams Fork Mountains, Indian Peaks, Winter Park, Red Feather Lakes, Estes Park, Kenosha Mountains, Central City, Laramie and Medicine Bow Mountains, Evergreen, Nederland, Westcreek, Rocky Mountain National Park, Mount Blue Sky, Cameron Pass, Breckenridge, Berthoud Pass, Willow Creek Pass, Bailey, Rabbit Ears Range, Eisenhower Tunnel, and Glendevey 657 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. Monitor the latest forecasts and warnings for updates. && $$ COZ042-044-048-049-180700- /O.CON.KBOU.HW.W.0009.000000T0000Z-251218T0700Z/ Northeast Weld County-Morgan County-Logan County-Washington County- Including the cities of Briggsdale, Stoneham, Merino, Otis, Goodrich, Raymer, Last Chance, Pawnee Buttes, Akron, Crook, Brush, Sterling, Grover, Cope, Wiggins, Peetz, and Fort Morgan 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Northwest winds 25 to 40 mph with gusts up to 65 mph possible. * WHERE...Briggsdale, Fort Morgan, Sterling, and Akron. * WHEN...Until midnight MST tonight. * 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. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. && $$ COZ050-051-181300- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Haxtun, Amherst, Sedgwick, Holyoke, Ovid, and Julesburg 657 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 5 AM TO NOON MST THURSDAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...From 5 AM to noon MST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 22 Action: Continued Issued At: 2025-12-18 00:56:06 185 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Continued Issued At: 2025-12-18 00:56:06 185 WWUS75 KBOU 180655 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1155 PM MST Wed Dec 17 2025 COZ038-181400- /O.EXP.KBOU.HW.W.0010.000000T0000Z-251218T0700Z/ /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County- Including the cities of Loveland, Nunn, Fort Collins, and Hereford 1155 PM MST Wed Dec 17 2025 ...HIGH WIND WARNING WILL EXPIRE AT MIDNIGHT MST TONIGHT... ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 35 mph with gusts greater than 60 mph possible. * WHERE...Fort Collins. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel could be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ 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 Action: Continued Issued At: 2025-12-18 00:56:06 185 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Continued Issued At: 2025-12-18 03:51:34 607 WWUS75 KBOU 180951 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 251 AM MST Thu Dec 18 2025 COZ035-036-182200- /O.CAN.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Red Feather Lakes, Westcreek, Georgetown, Estes Park, Evergreen, Idaho Springs, Bailey, Nederland, Central City, and Glendevey 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IS CANCELLED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 85 mph possible. * WHERE...The Northern Front Range Foothills, and The Southern Front Range Foothills. Strongest winds in the foothills of Boulder, Gilpin, Clear Creek and Jefferson Counties. * WHEN...From this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the lower foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Avoid outdoor burning or any activity that may cause sparks. The strong winds may fuel rapid fire growth in areas free of snow cover. && $$ COZ033-034-182200- /O.EXT.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 Mount Blue Sky, Winter Park, East Slopes Southern Gore Range, East Slopes Mosquito Range, Indian Peaks, Laramie and Medicine Bow Mountains, Eisenhower Tunnel, Cameron Pass, Rabbit Ears Range, Willow Creek Pass, Kenosha Mountains, Williams Fork Mountains, Berthoud Pass, Breckenridge, and Rocky Mountain National Park 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 80 mph for both the High Wind Warning and High Wind Watch. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...For the High Wind Warning, until 11 AM MST this morning. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ050-051-181900- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Julesburg, Haxtun, Holyoke, Ovid, Amherst, and Sedgwick 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...Until noon MST today. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-182200- /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 Boulder, Lakewood, Golden, Longmont, Hereford, Nunn, Fort Collins, Arvada, and Loveland 251 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, and 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou BRQ Action: Continued Issued At: 2025-12-18 03:51:34 607 WWUS75 KBOU 180951 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 251 AM MST Thu Dec 18 2025 COZ035-036-182200- /O.CAN.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Red Feather Lakes, Westcreek, Georgetown, Estes Park, Evergreen, Idaho Springs, Bailey, Nederland, Central City, and Glendevey 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IS CANCELLED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 85 mph possible. * WHERE...The Northern Front Range Foothills, and The Southern Front Range Foothills. Strongest winds in the foothills of Boulder, Gilpin, Clear Creek and Jefferson Counties. * WHEN...From this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the lower foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Avoid outdoor burning or any activity that may cause sparks. The strong winds may fuel rapid fire growth in areas free of snow cover. && $$ COZ033-034-182200- /O.EXT.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 Mount Blue Sky, Winter Park, East Slopes Southern Gore Range, East Slopes Mosquito Range, Indian Peaks, Laramie and Medicine Bow Mountains, Eisenhower Tunnel, Cameron Pass, Rabbit Ears Range, Willow Creek Pass, Kenosha Mountains, Williams Fork Mountains, Berthoud Pass, Breckenridge, and Rocky Mountain National Park 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 80 mph for both the High Wind Warning and High Wind Watch. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...For the High Wind Warning, until 11 AM MST this morning. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ050-051-181900- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Julesburg, Haxtun, Holyoke, Ovid, Amherst, and Sedgwick 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...Until noon MST today. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-182200- /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 Boulder, Lakewood, Golden, Longmont, Hereford, Nunn, Fort Collins, Arvada, and Loveland 251 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, and 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou BRQ Action: Continued Issued At: 2025-12-18 03:51:34 607 WWUS75 KBOU 180951 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 251 AM MST Thu Dec 18 2025 COZ035-036-182200- /O.CAN.KBOU.HW.W.0009.000000T0000Z-251218T1200Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Red Feather Lakes, Westcreek, Georgetown, Estes Park, Evergreen, Idaho Springs, Bailey, Nederland, Central City, and Glendevey 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING IS CANCELLED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 35 to 45 mph with gusts up to 85 mph possible. * WHERE...The Northern Front Range Foothills, and The Southern Front Range Foothills. Strongest winds in the foothills of Boulder, Gilpin, Clear Creek and Jefferson Counties. * WHEN...From this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the lower foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Avoid outdoor burning or any activity that may cause sparks. The strong winds may fuel rapid fire growth in areas free of snow cover. && $$ COZ033-034-182200- /O.EXT.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 Mount Blue Sky, Winter Park, East Slopes Southern Gore Range, East Slopes Mosquito Range, Indian Peaks, Laramie and Medicine Bow Mountains, Eisenhower Tunnel, Cameron Pass, Rabbit Ears Range, Willow Creek Pass, Kenosha Mountains, Williams Fork Mountains, Berthoud Pass, Breckenridge, and Rocky Mountain National Park 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 AM MST THIS MORNING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 80 mph for both the High Wind Warning and High Wind Watch. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...For the High Wind Warning, until 11 AM MST this morning. For the High Wind Watch, 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... People are urged to secure loose objects that could be blown around or damaged by the wind. Monitor the latest forecasts and warnings for updates. && $$ COZ050-051-181900- /O.CON.KBOU.HW.W.0009.251218T1200Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Julesburg, Haxtun, Holyoke, Ovid, Amherst, and Sedgwick 251 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * WHAT...Northwest winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Sedgwick and Phillips Counties, including Julesburg and Holyoke. * WHEN...Until noon MST today. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-182200- /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 Boulder, Lakewood, Golden, Longmont, Hereford, Nunn, Fort Collins, Arvada, and Loveland 251 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, and 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou BRQ Action: Continued Issued At: 2025-12-18 12:13:33 580 WWUS75 KBOU 181812 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1112 AM MST Thu Dec 18 2025 COZ033-034-190215- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1800Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Winter Park, Laramie and Medicine Bow Mountains, Kenosha Mountains, East Slopes Southern Gore Range, Eisenhower Tunnel, Mount Blue Sky, Breckenridge, Rocky Mountain National Park, Rabbit Ears Range, East Slopes Mosquito Range, Indian Peaks, Berthoud Pass, Williams Fork Mountains, Willow Creek Pass, and Cameron Pass 1112 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING HAS EXPIRED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 85 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 9 PM MST this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: Continued Issued At: 2025-12-18 12:13:33 580 WWUS75 KBOU 181812 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1112 AM MST Thu Dec 18 2025 COZ033-034-190215- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1800Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Winter Park, Laramie and Medicine Bow Mountains, Kenosha Mountains, East Slopes Southern Gore Range, Eisenhower Tunnel, Mount Blue Sky, Breckenridge, Rocky Mountain National Park, Rabbit Ears Range, East Slopes Mosquito Range, Indian Peaks, Berthoud Pass, Williams Fork Mountains, Willow Creek Pass, and Cameron Pass 1112 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING HAS EXPIRED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 85 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 9 PM MST this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: Continued Issued At: 2025-12-18 12:13:33 580 WWUS75 KBOU 181812 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1112 AM MST Thu Dec 18 2025 COZ033-034-190215- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1800Z/ /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Winter Park, Laramie and Medicine Bow Mountains, Kenosha Mountains, East Slopes Southern Gore Range, Eisenhower Tunnel, Mount Blue Sky, Breckenridge, Rocky Mountain National Park, Rabbit Ears Range, East Slopes Mosquito Range, Indian Peaks, Berthoud Pass, Williams Fork Mountains, Willow Creek Pass, and Cameron Pass 1112 AM MST Thu Dec 18 2025 ...HIGH WIND WARNING HAS EXPIRED... ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 85 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 9 PM MST this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Travel will be difficult, especially for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: Continued Issued At: 2025-12-18 13:12:19 128 WWUS75 KBOU 181911 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1211 PM MST Thu Dec 18 2025 COZ050-051-182015- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Holyoke, Ovid, Julesburg, Haxtun, Amherst, and Sedgwick 1211 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING HAS EXPIRED... Wind gusts are slowly diminishing across the area and will continue to decrease into the rest of the afternoon. A Red Flag Warning remains in effect until 5 PM MST. $$ COZ033>036-190315- /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 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 1211 PM MST Thu Dec 18 2025 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...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...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. && $$ COZ038-039-190315- /O.CON.KBOU.HW.A.0009.251219T1800Z-251220T0000Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Longmont, Hereford, Boulder, Lakewood, Nunn, Golden, Fort Collins, Loveland, and Arvada 1211 PM MST Thu Dec 18 2025 ...HIGH WIND WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...From Friday morning through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Hiris Action: Continued Issued At: 2025-12-18 13:12:20 128 WWUS75 KBOU 181911 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 1211 PM MST Thu Dec 18 2025 COZ050-051-182015- /O.EXP.KBOU.HW.W.0009.000000T0000Z-251218T1900Z/ Sedgwick County-Phillips County- Including the cities of Holyoke, Ovid, Julesburg, Haxtun, Amherst, and Sedgwick 1211 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING HAS EXPIRED... Wind gusts are slowly diminishing across the area and will continue to decrease into the rest of the afternoon. A Red Flag Warning remains in effect until 5 PM MST. $$ COZ033>036-190315- /O.CON.KBOU.HW.A.0009.251219T0400Z-251220T0000Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Indian Peaks, Evergreen, Breckenridge, Cameron Pass, Idaho Springs, Westcreek, East Slopes Southern Gore Range, Red Feather Lakes, Rabbit Ears Range, Bailey, Kenosha Mountains, Laramie and Medicine Bow Mountains, Central City, Estes Park, Winter Park, Willow Creek Pass, Mount Blue Sky, Williams Fork Mountains, Eisenhower Tunnel, Glendevey, Berthoud Pass, Nederland, Rocky Mountain National Park, East Slopes Mosquito Range, and Georgetown 1211 PM MST Thu Dec 18 2025 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MST THIS EVENING THROUGH FRIDAY AFTERNOON... * WHAT...West winds 30 to 40 mph with gusts up to 100 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From 9 PM MST this evening through Friday afternoon. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the lower foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates. && $$ COZ038-039-190315- /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 Longmont, Hereford, Boulder, Lakewood, Nunn, Golden, Fort Collins, Loveland, and Arvada 1211 PM 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... Monitor the latest forecasts and warnings for updates. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Hiris Action: Upgraded Issued At: 2025-12-18 15:21:23 791 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 Action: Upgraded Issued At: 2025-12-18 15:21:23 791 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 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||