1206 AM MST Fri Dec 16 2016 Jackson County Below 9000 Feet- West Jackson and West Grand Counties Above 9000 Feet- Grand and Summit Counties Below 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 Gould, North Park, Rand, Spicer, Walden, East Slopes Park and Northern Gore Ranges, Gore Pass, Rabbit Ears Pass, Dillon, Fraser, Granby, Grand Lake, Hot Sulphur Springs, Kremmling, Cameron Pass, Laramie and Medicine Bow Mountains, Rabbit Ears Range, Rocky Mountain National Park, Willow Creek Pass, Berthoud Pass, Breckenridge, East Slopes Mosquito Range, East Slopes Southern Gore Range, Eisenhower Tunnel, Indian Peaks, Kenosha Mountains, Mount Evans, Williams Fork Mountains, and Winter Park 1206 AM MST Fri Dec 16 2016 .NOW... Snow will become widespread over the mountains of north central Colorado by 3 am. Snowfall rates will be a quarter to half inch per hour...except up to an inch per hour around Rabbit Ears Pass. The valleys of Grand and Jackson counties will have scattered light snow showers, mixed with rain around Kremmling. West winds at 20 to 40 mph with gusts to 60 mph will cause extensive blowing and drifting snow above 10 thousand feet. Heavier snow will move in from the west toward sunrise.