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Home Return to list Winter Weather Advisory 0021 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-11-03 23:44:21 364 WWUS45 KBOU 040544 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1044 PM MST Tue Nov 3 2026 COZ034-037-042200- /O.NEW.KBOU.WW.Y.0021.261104T2100Z-261105T0900Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Central and Southeast Park County- Including the cities of Fairplay, East Slopes Southern Gore Range, Indian Peaks, Lake George, Mount Blue Sky, Breckenridge, Winter Park, Berthoud Pass, Eisenhower Tunnel, Williams Fork Mountains, South Park, East Slopes Mosquito Range, Hartsel, and Kenosha Mountains 1044 PM MST Tue Nov 3 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM WEDNESDAY TO 2 AM MST THURSDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 10 inches with localized higher amounts possible for the Mosquito Range. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, and South Park. * WHEN...From 2 PM Wednesday to 2 AM MST Thursday. * IMPACTS...Travel could be difficult. Roads will become slippery in spots, including for the US 285 corridor. The hazardous conditions will impact the Wednesday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou MV Action: Continued Issued At: 2026-11-04 05:54:07 548 WWUS45 KBOU 041153 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 453 AM MST Wed Nov 4 2026 COZ034-037-042200- /O.CON.KBOU.WW.Y.0021.261104T2100Z-261105T0900Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Central and Southeast Park County- Including the cities of Berthoud Pass, Williams Fork Mountains, Winter Park, Lake George, Breckenridge, Indian Peaks, South Park, East Slopes Southern Gore Range, Kenosha Mountains, Fairplay, East Slopes Mosquito Range, Mount Blue Sky, Hartsel, and Eisenhower Tunnel 453 AM MST Wed Nov 4 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM MST THURSDAY... * WHAT...Snow expected. Total snow accumulations between 3 and 10 inches with localized higher amounts possible for the Mosquito Range. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, and South Park. * WHEN...From 2 PM this afternoon to 2 AM MST Thursday. * IMPACTS...Travel could be difficult. Roads will become slippery in spots, including for the US 285 corridor. The hazardous conditions will impact the Wednesday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou RPK Action: Continued Issued At: 2026-11-04 15:46:35 491 WWUS45 KBOU 042146 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 246 PM MST Wed Nov 4 2026 COZ034-037-050900- /O.CON.KBOU.WW.Y.0021.000000T0000Z-261105T0900Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Central and Southeast Park County- Including the cities of Lake George, Winter Park, Kenosha Mountains, Eisenhower Tunnel, East Slopes Mosquito Range, Fairplay, Hartsel, Berthoud Pass, Breckenridge, East Slopes Southern Gore Range, Williams Fork Mountains, Mount Blue Sky, Indian Peaks, and South Park 246 PM MST Wed Nov 4 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 AM MST THURSDAY... * WHAT...Snow expected. Total snow accumulations between 2 and 8 inches with localized higher amounts possible for the Mosquito Range. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, and South Park. * WHEN...Until 2 AM MST Thursday. * IMPACTS...Travel could be difficult. Roads will become slippery in spots, including for the US 285 corridor. The hazardous conditions will impact the Wednesday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Danielson Action: Cancelled Issued At: 2026-11-05 02:16:53 388 WWUS45 KBOU 050816 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 116 AM MST Thu Nov 5 2026 COZ034-037-050930- /O.CAN.KBOU.WW.Y.0021.000000T0000Z-261105T0900Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Central and Southeast Park County- Including the cities of Williams Fork Mountains, Winter Park, South Park, East Slopes Southern Gore Range, Kenosha Mountains, Hartsel, Fairplay, Berthoud Pass, Breckenridge, Mount Blue Sky, Eisenhower Tunnel, Lake George, East Slopes Mosquito Range, and Indian Peaks 116 AM MST Thu Nov 5 2026 ...WINTER WEATHER ADVISORY IS CANCELLED... The heaviest snowfall has ended across the advisory area. Some light snow will be possible over the next 2 hours for far southern Park County with minimal additional accumulation. Be alert for slick spots into Thursday morning, including the US 285 corridor. $$ For more information from the National Weather Service, visit https://weather.gov/bou MV | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||