Winter Weather Advisory issued January 2 at 1:02PM MST until January 4 at 8:00AM MST by NWS Missoula MT

* WHAT…Snow and mixed precipitation expected. Likelihood of minor
to moderate impacts from around 1 to 3 inches of snow is 80
percent, and 3 to 6 inches of snow is 40 percent. Total snowfall 1
to 2 inches south and west of Garrison Junction including Butte, 3
to 5 inches MacDonald Pass and Ovando.

* WHERE…Georgetown Lake, Butte, Homestake Pass, MacDonald Pass,
and Highway 12 Garrison to Elliston.

* WHEN…From 5 AM Friday to 8 AM MST Saturday.

* IMPACTS…For MINOR impacts from snow, expect a few inconveniences
to normal activities. Use caution while driving. For MODERATE
impacts from snow, expect disruptions to normal activities.
Hazardous traveling conditions. Use extra caution while driving.
Closures and disruptions to infrastructure may occur. The
hazardous conditions could impact the Friday morning and evening
commutes, especially over higher passes.

* ADDITIONAL DETAILS…There will be two general periods of
precipitation…the first will be accumulating snow with arctic
air pushing west across the Divide…generally in the Ovando,
Garrison Junction to MacDonald Pass area. Mixed precipitation is
possible along I-90 west to Drummond and Highway 200 west to
Clearwater Junction. A change to snow showers is expected Friday
night. Easterly wind gusts to 35 mph at Helmville to US-12 east of
Garrison Junction, will produce periods of blowing snow and
reduced visibility less than one mile at times. Wind chill
temperatures as low as 10 degrees.