Winter Storm Warning issued May 20 at 7:56AM MDT until May 21 at 9:00AM MDT by NWS

Weather Alerts | Montana

May 20, 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM MDT FRIDAY... * WHAT...Heavy snow. Areas of blowing snow. Additional snow accumulations of 4 to 11 inches, with isolated higher…