Winter Weather Advisory issued December 20 at 11:47AM MST until December 21 at 9:00AM MST by NWS

Weather Alerts | Montana

Dec 20, 2020

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 9 AM MST MONDAY... * WHAT...Snow. Additional snow accumulations, mainly about 6000 feet and including Lost Trail Pass, of 4 to 6 inch…