Northwestern and Western Montana got the big snow from the pacific storm.  Here's the latest for Southwest Montana:  A Winter Storm Warning for elevations above 7000 feet remains in
effect until 4 am MST Friday. A Winter Weather Advisory for elevations below 7000 feet remains in effect until 4 am MST Friday.

Snow accumulations: additional snow accumulations through tonight
will range from 1 to 4 inches in the lover valleys to 10 to 20
inches above 7000 feet.

* Winds and visibility: expect southwest winds 15 to 25 mph at
times. Visibilities will be below one half mile at times due to
snow and blowing snow mainly in the mountains.

* Other impacts: expect roads to be snow covered and icy...
creating hazardous travel conditions.

* 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.

Precautionary/preparedness actions...

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of
snow are forecast that will make travel hazardous. If you must...
keep an extra flashlight... food... and water in your vehicle in
case of an emergency.

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities... and use caution while
driving.

For specific Road and travel conditions in Montana... dial 5 1 1.