Weather Alerts For Keystone, CO

URGENT - WEATHER MESSAGE National Weather Service Denver CO 217 AM MST Fri Dec 19 2025 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. &&

URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 207 AM MST Fri Dec 19 2025 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 Laramie and Medicine Bow Mountains, East Slopes Mosquito Range, Mount Blue Sky, Breckenridge, Indian Peaks, Williams Fork Mountains, Rabbit Ears Range, Kenosha Mountains, Willow Creek Pass, Berthoud Pass, East Slopes Southern Gore Range, Cameron Pass, Eisenhower Tunnel, Winter Park, Mt Zirkel, and Rocky Mountain National Park 207 AM MST Fri Dec 19 2025 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST SATURDAY NIGHT... * WHAT...Snow expected. Total snow accumulations of 4 to 12 inches. Winds gusting as high as 60 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 midnight tonight to midnight MST Saturday Night. * IMPACTS...Travel could be very difficult across the mountain passes, especially Saturday morning. 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. &&

URGENT - WEATHER MESSAGE National Weather Service Denver CO 1211 PM MST Thu Dec 18 2025 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. &&