The National Weather Service has issued a Winter Storm Warning & Winter Storm Watch for Montana. They are in effect from Thursday Afternoon – Saturday Night. Prolonged cold & heavy snowfall are expected to impact the area for nearly 72 hours. The heaviest snowfall is expected to fall Thursday Night – Friday Night.
1-2 Feet of Snow For The Mountains In Montana Thursday – Saturday.
A strong cold front is expected to impact the state throughout this storm, so snow is forecasted to accumulate at all elevations.
Additional Storm Info:
Montana: 1-2 Feet of Snow In The Mountains Thursday – Saturday
* Total snow accumulations of 3 to 6 inches possible in the valleys, with 1 to 2 feet possible in the mountains. - NOAA Great Falls, MT
MT Winter Storm Watch:
URGENT - WINTER WEATHER MESSAGE National Weather Service Great Falls MT 333 AM MST Wed Dec 27 2017 ...Longer Duration Snow to Impact Much of Central and Southwest Montana this Week... Including the following locations Big Hole Pass, Wisdom, Dillon, Chief Joseph Pass, Monida Pass, Wise River, Ennis, Norris Hill, Raynolds Pass, Twin Bridges, Virginia City, Montana City, Boulder, Boulder Hill, Elk Park Pass, Homestake Pass, Whitehall, Toston, Townsend, Bozeman, West Yellowstone, Battle Ridge Pass, Bozeman Pass, and Targhee Pass ...WINTER STORM WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE SATURDAY NIGHT... * WHAT...Heavy snow possible. Plan on the potential of difficult travel conditions. Total snow accumulations of 3 to 6 inches possible in the valleys, with 1 to 2 feet possible in the mountains. * WHERE...Beaverhead, Madison, Jefferson, Broadwater and Gallatin. * WHEN...From Thursday afternoon through late Saturday night. The heaviest snow is expected Thursday night through Friday night. * ADDITIONAL DETAILS...Significant reductions in visibility are possible.