Winds: sustained west winds of 30 to 40 mph... with gusts up to 65 mph are possible.

Locations affected include: Fairfield... Chester... Battle  Ridge Pass... Bozeman... Bozeman Pass... Targhee Pass... West  Yellowstone... Stanford... Lewistown... Lewistown Divide...  Boulder... Boulder Hill... Elk Park Pass... Homestake pass... Whitehall... Shelby... Chinook... Big Sandy... Fort Benton...
Conrad... Havre... Townsend... Great Falls... Kings Hill Pass... Big Hole Pass... Chief Joseph Pass... Dillon... Monida Pass... Flesher Pass... Helena... Lincoln... MacDonald Pass... Rogers Pass... Ennis... Norris Hill... Raynolds Pass... Twin Bridges.

WINTER WEATHER ADVISORY:  Timing and main impact: periods of light snow will develop later
tonight over the southern portions of Beaverhead... Madison... and
Gallatin counties... including the West Yellowstone and Big Sky
areas. The light snow will then continue through Wednesday night.

Locations affected include: Targhee Pass... West Yellowstone...
Raynolds Pass... Monida Pass and Big Sky.

* Snow accumulations: total snow accumulations from Wednesday
morning through Wednesday night will range from 3 to 6 inches.

For road conditions call 511