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Home Return to list Winter Weather Advisory 0021 Issued by the Denver / Boulder Forecast Office
Action: New Issued At: 2025-03-31 04:44:35 561 WWUS45 KBOU 310944 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 344 AM MDT Mon Mar 31 2025 COZ031-312100- /O.UPG.KBOU.WS.A.0004.250401T0300Z-250402T1200Z/ /O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 344 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 50 mph. * WHERE...Rabbit Ears Pass. * WHEN...From 9 PM this evening to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult to impossible. 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. && $$ COZ033-034-312100- /O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Indian Peaks, Willow Creek Pass, Cameron Pass, Williams Fork Mountains, Mount Blue Sky, Winter Park, East Slopes Southern Gore Range, Berthoud Pass, Breckenridge, Kenosha Mountains, East Slopes Mosquito Range, Rabbit Ears Range, Rocky Mountain National Park, Eisenhower Tunnel, and Laramie and Medicine Bow Mountains 344 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. Winds gusting as high as 60 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 9 PM this evening to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Gimmestad Action: New Issued At: 2025-03-31 04:44:35 561 WWUS45 KBOU 310944 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 344 AM MDT Mon Mar 31 2025 COZ031-312100- /O.UPG.KBOU.WS.A.0004.250401T0300Z-250402T1200Z/ /O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 344 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 6 and 12 inches. Winds gusting as high as 50 mph. * WHERE...Rabbit Ears Pass. * WHEN...From 9 PM this evening to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult to impossible. 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. && $$ COZ033-034-312100- /O.NEW.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Indian Peaks, Willow Creek Pass, Cameron Pass, Williams Fork Mountains, Mount Blue Sky, Winter Park, East Slopes Southern Gore Range, Berthoud Pass, Breckenridge, Kenosha Mountains, East Slopes Mosquito Range, Rabbit Ears Range, Rocky Mountain National Park, Eisenhower Tunnel, and Laramie and Medicine Bow Mountains 344 AM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 4 and 10 inches. Winds gusting as high as 60 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...From 9 PM this evening to 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions will impact the Tuesday morning and evening commutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Gimmestad Action: Continued Issued At: 2025-03-31 15:46:23 795 WWUS45 KBOU 312045 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 245 PM MDT Mon Mar 31 2025 COZ031-033-034-011200- /O.CON.KBOU.WW.Y.0021.250401T0300Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet-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 Kenosha Mountains, Willow Creek Pass, Indian Peaks, Laramie and Medicine Bow Mountains, Cameron Pass, Winter Park, Rocky Mountain National Park, Berthoud Pass, East Slopes Southern Gore Range, Eisenhower Tunnel, Breckenridge, Mount Blue Sky, Rabbit Ears Range, East Slopes Mosquito Range, Mt Zirkel, and Williams Fork Mountains 245 PM MDT Mon Mar 31 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 50 mph. * WHERE...Rabbit Ears Pass, 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 this evening to 6 AM MDT Wednesday. * IMPACTS...Snow covered roads will make travel hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. If traveling to the mountains, be prepared for winter driving conditions. Check cotrip.org for road closures and traction laws. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Meier Action: Continued Issued At: 2025-04-01 04:15:34 326 WWUS45 KBOU 010914 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 314 AM MDT Tue Apr 1 2025 COZ031-033-034-012100- /O.CON.KBOU.WW.Y.0021.000000T0000Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Eisenhower Tunnel, Breckenridge, East Slopes Southern Gore Range, Indian Peaks, Williams Fork Mountains, Berthoud Pass, Mt Zirkel, Rabbit Ears Range, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Kenosha Mountains, Rocky Mountain National Park, Mount Blue Sky, Cameron Pass, Winter Park, and Willow Creek Pass 314 AM MDT Tue Apr 1 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations between 6 and 14 inches. Winds gusting as high as 50 mph. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 6 AM MDT Wednesday. * IMPACTS...Travel could be very difficult at times due to snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. If traveling to the mountains, be prepared for winter driving conditions. Check cotrip.org for road closures and traction laws. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Gimmestad Action: Continued Issued At: 2025-04-01 16:23:25 410 WWUS45 KBOU 012122 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 322 PM MDT Tue Apr 1 2025 COZ031-033-034-020530- /O.CON.KBOU.WW.Y.0021.000000T0000Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet-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 Williams Fork Mountains, Berthoud Pass, Indian Peaks, Rocky Mountain National Park, East Slopes Southern Gore Range, East Slopes Mosquito Range, Kenosha Mountains, Breckenridge, Willow Creek Pass, Mount Blue Sky, Winter Park, Mt Zirkel, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Cameron Pass, and Eisenhower Tunnel 322 PM MDT Tue Apr 1 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY... * WHAT...Snow. Additional snow accumulations 2 to 5 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 6 AM MDT Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Tuesday evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. If traveling to the mountains, be prepared for winter driving conditions. Check cotrip.org for road closures and traction laws. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch Action: Continued Issued At: 2025-04-01 22:59:39 847 WWUS45 KBOU 020359 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 959 PM MDT Tue Apr 1 2025 COZ031-033-034-021200- /O.CON.KBOU.WW.Y.0021.000000T0000Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet-South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet- Including the cities of Rabbit Ears Range, Willow Creek Pass, Eisenhower Tunnel, East Slopes Southern Gore Range, Kenosha Mountains, Mount Blue Sky, Mt Zirkel, Rocky Mountain National Park, Breckenridge, Williams Fork Mountains, Cameron Pass, East Slopes Mosquito Range, Winter Park, Laramie and Medicine Bow Mountains, Indian Peaks, and Berthoud Pass 959 PM MDT Tue Apr 1 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT WEDNESDAY... * WHAT...Snow. Additional snow accumulations one to three inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass, Rocky Mountain National Park and the Medicine Bow Range, and The Mountains of Summit County, the Mosquito Range, and the Indian Peaks. * WHEN...Until 6 AM MDT Wednesday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Roads will be slick resulting in slow and hazardous travel. Allow extra time to reach your destination. If traveling to the mountains, be prepared for winter driving conditions. Check cotrip.org for road closures and traction laws. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch Action: Expired Issued At: 2025-04-02 06:54:41 243 WWUS45 KBOU 021154 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 554 AM MDT Wed Apr 2 2025 COZ031-033-034-021300- /O.EXP.KBOU.WW.Y.0021.000000T0000Z-250402T1200Z/ West Jackson and West Grand Counties Above 9000 Feet-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 Eisenhower Tunnel, Kenosha Mountains, Rocky Mountain National Park, Cameron Pass, Willow Creek Pass, Indian Peaks, Berthoud Pass, Winter Park, Breckenridge, East Slopes Mosquito Range, Laramie and Medicine Bow Mountains, Mount Blue Sky, Mt Zirkel, Williams Fork Mountains, Rabbit Ears Range, and East Slopes Southern Gore Range 554 AM MDT Wed Apr 2 2025 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM MDT EARLY THIS MORNING... Only light snow showers are expected today, but roads over the higher passes remain snow covered this morning. Conditions will gradually improve this morning. $$ For more information from the National Weather Service, visit https://weather.gov/bou Gimmestad | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||