Some snow is on the way for southwest Montana in the next couple of days. How much? Details here:

Winter Weather Advisory in effect for the Bozeman area

The National Weather Service in Great Falls has issued a Winter
Weather Advisory for snow... which is in effect from 11 PM this
evening to 5 am MST Thursday.

* Timing and main impact: snow is expected to develop late this
evening and after midnight. Snow will then continue Wednesday
before diminishing Wednesday night. Roads will be snow-covered
and also icy in spots.

* Snow accumulations: expect 3 to 6 inches in the valleys and 6 to
10 inches in the mountains.

* Visibility: visibilities will be generally a mile or less in the
mountains and will be a mile or less at times in the valleys.

* Locations affected include: Battle Ridge Pass... Bozeman...
Bozeman Pass... Targhee Pass... West Yellowstone... Big Hole
Pass... Chief Joseph Pass... Dillon... Monida Pass... Ennis...
Norris Hill... Raynolds Pass... Twin Bridges.