Boulder, CO

South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties above 9000 ft
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 1:03 PM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain

Chaffee, CO

Eastern Sawatch Mountains above 11000 ft
Winter Weather Advisory until SAT 5:00 PM MST
Issued December, 20 2025 at 11:38 AM - US/Mountain expires December, 20 2025 at 5:00 PM - US/Mountain

Eagle, CO

Gore and Elk Mountains/Central Mountain Valleys
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 12:49 AM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain

Eagle, CO

Flat Tops
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 12:49 AM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain

Jackson, CO

West Jackson and West Grand Counties above 9000 ft
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 1:03 PM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain

Lake, CO

Western Mosquito Range/East Lake County above 11000 ft
Winter Weather Advisory until SAT 5:00 PM MST
Issued December, 20 2025 at 11:38 AM - US/Mountain expires December, 20 2025 at 5:00 PM - US/Mountain

Moffat, CO

Elkhead and Park Mountains
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 12:49 AM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain

Park, CO

South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties above 9000 ft
Winter Weather Advisory until SUN 12:00 AM MST
Issued December, 20 2025 at 1:03 PM - US/Mountain expires December, 21 2025 at 12:00 AM - US/Mountain