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Home Return to list High Wind Warning 0011 Issued by the Denver / Boulder Forecast Office
Action: New 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: New 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: Continued Issued At: 2025-12-18 19:01:28 015 WWUS75 KBOU 190101 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 601 PM MST Thu Dec 18 2025 COZ033>036-191315- /O.CON.KBOU.HW.W.0011.251219T0400Z-251220T0300Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Eisenhower Tunnel, Laramie and Medicine Bow Mountains, Westcreek, Cameron Pass, Estes Park, Mount Blue Sky, Berthoud Pass, East Slopes Southern Gore Range, Rabbit Ears Range, Winter Park, Georgetown, Glendevey, Bailey, Idaho Springs, Central City, Evergreen, Breckenridge, Williams Fork Mountains, Nederland, Indian Peaks, Rocky Mountain National Park, Kenosha Mountains, Red Feather Lakes, East Slopes Mosquito Range, and Willow Creek Pass 601 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 8 PM MST FRIDAY... * WHAT...West winds 35 to 50 mph with gusts up to 100 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From 9 PM this evening to 8 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-191315- /O.CON.KBOU.HW.W.0011.251219T1900Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Lakewood, Hereford, Fort Collins, Longmont, Loveland, Boulder, Nunn, Arvada, and Golden 601 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MST FRIDAY... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...From noon to 8 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Continued Issued At: 2025-12-18 19:01:28 015 WWUS75 KBOU 190101 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 601 PM MST Thu Dec 18 2025 COZ033>036-191315- /O.CON.KBOU.HW.W.0011.251219T0400Z-251220T0300Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Eisenhower Tunnel, Laramie and Medicine Bow Mountains, Westcreek, Cameron Pass, Estes Park, Mount Blue Sky, Berthoud Pass, East Slopes Southern Gore Range, Rabbit Ears Range, Winter Park, Georgetown, Glendevey, Bailey, Idaho Springs, Central City, Evergreen, Breckenridge, Williams Fork Mountains, Nederland, Indian Peaks, Rocky Mountain National Park, Kenosha Mountains, Red Feather Lakes, East Slopes Mosquito Range, and Willow Creek Pass 601 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 8 PM MST FRIDAY... * WHAT...West winds 35 to 50 mph with gusts up to 100 mph possible. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From 9 PM this evening to 8 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-191315- /O.CON.KBOU.HW.W.0011.251219T1900Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Lakewood, Hereford, Fort Collins, Longmont, Loveland, Boulder, Nunn, Arvada, and Golden 601 PM MST Thu Dec 18 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MST FRIDAY... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills. * WHERE...Fort Collins, Longmont, Boulder, and the western suburbs of Denver. * WHEN...From noon to 8 PM MST Friday. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Continued Issued At: 2025-12-19 03:17:50 421 WWUS75 KBOU 190917 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 217 AM MST Fri Dec 19 2025 COZ033>036-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-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 Breckenridge, Indian Peaks, Bailey, Georgetown, Rocky Mountain National Park, Mount Blue Sky, Nederland, Williams Fork Mountains, Estes Park, Kenosha Mountains, Willow Creek Pass, Winter Park, Red Feather Lakes, Evergreen, Central City, Idaho Springs, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Glendevey, Westcreek, Berthoud Pass, Cameron Pass, Eisenhower Tunnel, East Slopes Southern Gore Range, and Rabbit Ears Range 217 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * 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...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-200300- /O.CON.KBOU.HW.W.0011.251219T1900Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Longmont, Boulder, Arvada, Fort Collins, Nunn, Golden, Lakewood, Loveland, and Hereford 217 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MST THIS EVENING... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills along CO-93 and north of Wellington in Larimer County. * WHERE...Longmont, Boulder, and the western suburbs of Denver. * WHEN...From noon today to 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Schlatter Action: Continued Issued At: 2025-12-19 03:17:50 421 WWUS75 KBOU 190917 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 217 AM MST Fri Dec 19 2025 COZ033>036-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-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 Breckenridge, Indian Peaks, Bailey, Georgetown, Rocky Mountain National Park, Mount Blue Sky, Nederland, Williams Fork Mountains, Estes Park, Kenosha Mountains, Willow Creek Pass, Winter Park, Red Feather Lakes, Evergreen, Central City, Idaho Springs, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Glendevey, Westcreek, Berthoud Pass, Cameron Pass, Eisenhower Tunnel, East Slopes Southern Gore Range, and Rabbit Ears Range 217 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * 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...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-200300- /O.CON.KBOU.HW.W.0011.251219T1900Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Longmont, Boulder, Arvada, Fort Collins, Nunn, Golden, Lakewood, Loveland, and Hereford 217 AM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM MST THIS EVENING... * WHAT...West winds 25 to 40 mph with gusts up to 85 mph, strongest near the base of the foothills along CO-93 and north of Wellington in Larimer County. * WHERE...Longmont, Boulder, and the western suburbs of Denver. * WHEN...From noon today to 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Schlatter Action: Continued Issued At: 2025-12-19 16:32:57 389 WWUS75 KBOU 192232 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 332 PM MST Fri Dec 19 2025 COZ033-034-192345- /O.CAN.KBOU.HW.W.0011.000000T0000Z-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- Including the cities of Berthoud Pass, Breckenridge, Willow Creek Pass, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Kenosha Mountains, Williams Fork Mountains, Winter Park, Rabbit Ears Range, Rocky Mountain National Park, East Slopes Southern Gore Range, Indian Peaks, Cameron Pass, Mount Blue Sky, and Eisenhower Tunnel 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING IS CANCELLED... The strongest winds have moved down into the Front Range Foothills and should stay there through the rest of the evening. Winds will still gust to 60-70 mph, but that is below High Wind Criteria for these higher slopes so weve cancelled the High Wind Warning for elevations above 9,000 feet. $$ COZ035-036-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Glendevey, Georgetown, Idaho Springs, Nederland, Estes Park, Bailey, Westcreek, Central City, Red Feather Lakes, and Evergreen 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 30 to 45 mph with gusts up to 85 mph. Winds will only slowly decrease this evening. * WHERE...The Front Range Foothills. * WHEN...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Lakewood, Nunn, Fort Collins, Loveland, Arvada, Hereford, Boulder, Golden, and Longmont 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 20 to 35 mph with gusts up to 75 mph. * WHERE...Boulder and the western suburbs of Denver, western Fort Collins, and I-25 Corridor north of Wellington. * WHEN...Until 8 PM MST this evening. * 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Cancelled Issued At: 2025-12-19 16:32:57 389 WWUS75 KBOU 192232 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 332 PM MST Fri Dec 19 2025 COZ033-034-192345- /O.CAN.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Berthoud Pass, Breckenridge, Willow Creek Pass, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Kenosha Mountains, Williams Fork Mountains, Winter Park, Rabbit Ears Range, Rocky Mountain National Park, East Slopes Southern Gore Range, Indian Peaks, Cameron Pass, Mount Blue Sky, and Eisenhower Tunnel 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING IS CANCELLED... The strongest winds have moved down into the Front Range Foothills and should stay there through the rest of the evening. Winds will still gust to 60-70 mph, but that is below High Wind Criteria for these higher slopes so weve cancelled the High Wind Warning for elevations above 9,000 feet. $$ COZ035-036-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ 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 Glendevey, Georgetown, Idaho Springs, Nederland, Estes Park, Bailey, Westcreek, Central City, Red Feather Lakes, and Evergreen 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 30 to 45 mph with gusts up to 85 mph. Winds will only slowly decrease this evening. * WHERE...The Front Range Foothills. * WHEN...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Lakewood, Nunn, Fort Collins, Loveland, Arvada, Hereford, Boulder, Golden, and Longmont 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 20 to 35 mph with gusts up to 75 mph. * WHERE...Boulder and the western suburbs of Denver, western Fort Collins, and I-25 Corridor north of Wellington. * WHEN...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines. Scattered power outages are possible. Travel will be difficult, especially for high profile vehicles. Strong winds will lead to rapid fire growth of any new fire. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Continued Issued At: 2025-12-19 16:32:57 389 WWUS75 KBOU 192232 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 332 PM MST Fri Dec 19 2025 COZ033-034-192345- /O.CAN.KBOU.HW.W.0011.000000T0000Z-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- Including the cities of Berthoud Pass, Breckenridge, Willow Creek Pass, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Kenosha Mountains, Williams Fork Mountains, Winter Park, Rabbit Ears Range, Rocky Mountain National Park, East Slopes Southern Gore Range, Indian Peaks, Cameron Pass, Mount Blue Sky, and Eisenhower Tunnel 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING IS CANCELLED... The strongest winds have moved down into the Front Range Foothills and should stay there through the rest of the evening. Winds will still gust to 60-70 mph, but that is below High Wind Criteria for these higher slopes so weve cancelled the High Wind Warning for elevations above 9,000 feet. $$ COZ035-036-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Glendevey, Georgetown, Idaho Springs, Nederland, Estes Park, Bailey, Westcreek, Central City, Red Feather Lakes, and Evergreen 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 30 to 45 mph with gusts up to 85 mph. Winds will only slowly decrease this evening. * WHERE...The Front Range Foothills. * WHEN...Until 8 PM MST this evening. * IMPACTS...Damaging winds may blow down trees and power lines, with power outages possible. Travel will be difficult, especially for high profile vehicles. Strong winds may lead to rapid fire growth of any new fire in the foothills. PRECAUTIONARY/PREPAREDNESS ACTIONS... People are urged to secure loose objects that could be blown around or damaged by the wind. && $$ COZ038-039-200300- /O.CON.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Lakewood, Nunn, Fort Collins, Loveland, Arvada, Hereford, Boulder, Golden, and Longmont 332 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... * WHAT...West winds 20 to 35 mph with gusts up to 75 mph. * WHERE...Boulder and the western suburbs of Denver, western Fort Collins, and I-25 Corridor north of Wellington. * WHEN...Until 8 PM MST this evening. * 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. && $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 Action: Expired Issued At: 2025-12-19 21:00:04 170 WWUS75 KBOU 200259 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 759 PM MST Fri Dec 19 2025 COZ035-036-038-039-200400- /O.EXP.KBOU.HW.W.0011.000000T0000Z-251220T0300Z/ Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet-Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including the cities of Estes Park, Bailey, Westcreek, Red Feather Lakes, Golden, Fort Collins, Hereford, Central City, Longmont, Glendevey, Lakewood, Georgetown, Idaho Springs, Nederland, Boulder, Nunn, Arvada, Loveland, and Evergreen 759 PM MST Fri Dec 19 2025 ...HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING... The threat of high winds greater than 75 mph has ended. Winds will only slowly decrease overnight. $$ For more information from the National Weather Service, visit https://weather.gov/bou 20 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||