High elevations could get 2 feet of snow by early Tuesday morning with heavy, slushy snow falling in the high valleys of the Bozeman and West Yellowstone areas.

The National Weather Service in Great Falls has issued a Winter
Storm Warning for heavy snow at pass level and the higher
mountains which is in effect from midnight tonight to 3 am MDT

A Winter Weather Advisory has also been issued. This
Winter Weather Advisory for snow is for the higher valley
locations and is in effect from 6 am Monday to 3 am MDT Tuesday.

Heavy snow will develop at pass level
and above Sunday evening with rain prevailing in the valleys.

Snow levels will fall on Monday causing rain to change over to snow
in the higher valleys. Wet heavy snow will make travel and
outdoor activities dangerous.

Snow accumulations: one to two feet of snow can be expected at
pass level and above.

Four to seven inches of snow could affect
West Yellowstone and Bozeman's higher valleys. Only light
snow amounts are expected in the lower valleys.

Locations affected include: Battle Ridge Pass... Bozeman...
Bozeman Pass... Targhee Pass... West Yellowstone... Big Hole
Pass... Chief Joseph Pass... Monida Pass... Raynolds Pass.

Winter Weather Advisory in effect through Friday night (photo Michelle Wolfe/KMMS)