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Home Return to list Winter Weather Advisory 0020 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2026-11-01 12:40:19 512 WWUS45 KBOU 011839 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1139 AM MST Sun Nov 1 2026 COZ031-033-021200- /O.NEW.KBOU.WW.Y.0020.261102T1000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Mt Zirkel, Rocky Mountain National Park, Laramie and Medicine Bow Mountains, Cameron Pass, Willow Creek Pass, and Rabbit Ears Range 1139 AM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations 4 to 10 inches. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...From 3 AM Monday to midnight MST Monday Night. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-021200- /O.NEW.KBOU.WW.Y.0020.261102T1200Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Williams Fork Mountains, Indian Peaks, Mount Blue Sky, Eisenhower Tunnel, Winter Park, East Slopes Mosquito Range, East Slopes Southern Gore Range, Berthoud Pass, Breckenridge, and Kenosha Mountains 1139 AM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 5 AM Monday to midnight MST Monday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: New Issued At: 2026-11-01 12:40:19 512 WWUS45 KBOU 011839 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1139 AM MST Sun Nov 1 2026 COZ031-033-021200- /O.NEW.KBOU.WW.Y.0020.261102T1000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Mt Zirkel, Rocky Mountain National Park, Laramie and Medicine Bow Mountains, Cameron Pass, Willow Creek Pass, and Rabbit Ears Range 1139 AM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations 4 to 10 inches. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...From 3 AM Monday to midnight MST Monday Night. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-021200- /O.NEW.KBOU.WW.Y.0020.261102T1200Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Williams Fork Mountains, Indian Peaks, Mount Blue Sky, Eisenhower Tunnel, Winter Park, East Slopes Mosquito Range, East Slopes Southern Gore Range, Berthoud Pass, Breckenridge, and Kenosha Mountains 1139 AM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations 3 to 7 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 5 AM Monday to midnight MST Monday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: Continued Issued At: 2026-11-01 23:46:09 762 WWUS45 KBOU 020545 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1045 PM MST Sun Nov 1 2026 COZ031-033-022200- /O.CON.KBOU.WW.Y.0020.261102T1000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Willow Creek Pass, Rocky Mountain National Park, Mt Zirkel, Cameron Pass, Rabbit Ears Range, and Laramie and Medicine Bow Mountains 1045 PM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches with localized higher amounts possible. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...From 3 AM Monday to midnight MST Monday Night. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. The hazardous conditions will impact the Monday morning and evening commutes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-022200- /O.CON.KBOU.WW.Y.0020.261102T1200Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Berthoud Pass, Winter Park, Kenosha Mountains, East Slopes Southern Gore Range, Mount Blue Sky, Indian Peaks, Eisenhower Tunnel, East Slopes Mosquito Range, Williams Fork Mountains, and Breckenridge 1045 PM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 5 AM Monday to midnight MST Monday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou MV Action: Continued Issued At: 2026-11-01 23:46:09 762 WWUS45 KBOU 020545 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1045 PM MST Sun Nov 1 2026 COZ031-033-022200- /O.CON.KBOU.WW.Y.0020.261102T1000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Willow Creek Pass, Rocky Mountain National Park, Mt Zirkel, Cameron Pass, Rabbit Ears Range, and Laramie and Medicine Bow Mountains 1045 PM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 4 to 9 inches with localized higher amounts possible. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...From 3 AM Monday to midnight MST Monday Night. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. The hazardous conditions will impact the Monday morning and evening commutes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-022200- /O.CON.KBOU.WW.Y.0020.261102T1200Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Berthoud Pass, Winter Park, Kenosha Mountains, East Slopes Southern Gore Range, Mount Blue Sky, Indian Peaks, Eisenhower Tunnel, East Slopes Mosquito Range, Williams Fork Mountains, and Breckenridge 1045 PM MST Sun Nov 1 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 5 AM MONDAY TO MIDNIGHT MST MONDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 3 to 7 inches. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 5 AM Monday to midnight MST Monday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou MV Action: Continued Issued At: 2026-11-02 15:20:28 068 WWUS45 KBOU 022120 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 220 PM MST Mon Nov 2 2026 COZ031-033-030630- /O.CON.KBOU.WW.Y.0020.000000T0000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Willow Creek Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Mt Zirkel, Rabbit Ears Range, and Rocky Mountain National Park 220 PM MST Mon Nov 2 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 6 inches with localized higher amounts possible. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until midnight MST tonight. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-030630- /O.CON.KBOU.WW.Y.0020.000000T0000Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Williams Fork Mountains, Indian Peaks, Mount Blue Sky, Kenosha Mountains, East Slopes Mosquito Range, Breckenridge, East Slopes Southern Gore Range, Berthoud Pass, Eisenhower Tunnel, and Winter Park 220 PM MST Mon Nov 2 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 6 inches with localized higher amounts. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou MAI Action: Continued Issued At: 2026-11-02 15:20:28 068 WWUS45 KBOU 022120 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 220 PM MST Mon Nov 2 2026 COZ031-033-030630- /O.CON.KBOU.WW.Y.0020.000000T0000Z-261103T0700Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet- Including the cities of Willow Creek Pass, Cameron Pass, Laramie and Medicine Bow Mountains, Mt Zirkel, Rabbit Ears Range, and Rocky Mountain National Park 220 PM MST Mon Nov 2 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 6 inches with localized higher amounts possible. * WHERE...Rabbit Ears Pass, and Rocky Mountain National Park and the Medicine Bow Range. * WHEN...Until midnight MST tonight. * IMPACTS...Roads will become slippery in spots, especially through mountain passes. Use caution when traveling. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. && $$ COZ034-030630- /O.CON.KBOU.WW.Y.0020.000000T0000Z-261103T0700Z/ South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Williams Fork Mountains, Indian Peaks, Mount Blue Sky, Kenosha Mountains, East Slopes Mosquito Range, Breckenridge, East Slopes Southern Gore Range, Berthoud Pass, Eisenhower Tunnel, and Winter Park 220 PM MST Mon Nov 2 2026 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... * WHAT...Snow expected. Total snow accumulations of 2 to 6 inches with localized higher amounts. * WHERE...The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until midnight MST tonight. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Monday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou MAI | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||