Winter Weather Advisory issued December 20 at 1:17PM MST until December 21 at 2:00PM MST by NWS

Weather Alerts | Montana

Dec 20, 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST TUESDAY... * WHAT...Snow and Blowing Snow. Winds gusting as high as 60 mph. Additional snow accumulations up to one inch. * WHER…