Dec 1, 2013 3:59 PM by Meteorologist Mike Heard

Winter Storm Warning SW MT East of the divide

The National Weather Service has issued a WINTER STORM WARNING now through 11pm Tuesday above 6,000'.

Snow will be heavy at times will continue in the mountains today and develop into the valleys on Monday with the passage of a strong cold front. This snow is expected to continue through Tuesday. Travel will be hazardous due to snow covered and icy roads along with poor visibilities from snow and blowing snow.

Snow accumulations: 8"-14" over the mountains above 6,000' and possibly up to 2 feet at higher elevations. Mostly lower valleys could see 1"-3".

Winds: West winds 30-40 mph with gusts to 60 mph will shift to the north at 15-25 mph with gusts to 35 mph by Monday evening. Visibilities are expected to be less than a quarter mile due to blowing and drifting snow and possible whiteout conditions.

Wind chills of -10° to -20° Tuesday could cause frostbite in as little as 30 mintues.

Affected areas: Battle Ridge pass, Targhee pass, West Yellowstone, Boulder Hill, Elk Park pass, Homestake pass, Big Hole pass, Bozeman pass, Chief Joseph pass, Monida pass and Raynolds pass.

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