Winter Storm Warnings remain in effect from Idaho and Montana to the Upper Midwest

Winter Storm Warnings remained in effect across parts of Montana, Idaho, Wisconsin, Michigan, Minnesota, and Wyoming on Friday, March 13, 2026, as a broad winter storm brought heavy snow, blowing snow, and hazardous travel conditions from the northern Rockies into the Upper Midwest. Forecast totals ranged from several cm in some lower elevations to 150 cm (5 feet) in parts of Idaho’s higher terrain, while parts of Montana’s mountain ranges were forecast to receive up to 120 cm (4 feet). Source