This storm is expected to significantly impact travel, infrastructure, and public safety across Big Sky Country..

A Winter Storm Warning is in effect for much of the area through early Tuesday morning with another 4-8" of snow possible. Parts of eastern Montana could pick up another 2-4". A Winter Weather Advisory is in place.

Avalanche warnings are up for the central mountains/Sun Valley this morning. Other advisories will need updating and winter storm warnings will expire in western Wyoming will expire as we approach the end of the day.

The cold air from the north and the Pacific moisture from the west have combined over Montana & Wyoming. Both the snow and temperatures are falling. Please drive safely as the snow continues to fall.