Winter Storm Warning issued December 20 at 2:59AM MST until December 20 at 5:00AM MST by NWS

Weather Alerts | Montana

Dec 20, 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST EARLY THIS MORNING... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... * WHAT...Additional snow accumu…