Winter Weather Advisory issued December 20 at 2:30AM MST until December 21 at 6:00AM MST by NWS

Weather Alerts | Montana

Dec 20, 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MST TUESDAY... ...THIS MORNING`S WINTER WEATHER ADVISORY IS CANCELLED... * WHAT...Snow expected. Total snow accu…