A wintry system will arrive in the Northland on Tuesday, bringing a mix of rain and snow before switching to all snow Tuesday night and continuing through Wednesday, according to the National Weather Service in Duluth. Snowfall levels are still being adjusted, but the majority of northern Minnesota and northwest Wisconsin are forecast to get accumulations.
Colder air will follow the transition from rain to snow on Tuesday, allowing for extensive accumulations, according to the bureau. Lake-effect and lake-enhanced snow is expected to continue into Thursday on the South Shore, particularly in Iron County, Wisconsin, increasing the probability of higher totals.
Snowfall probability maps show strong odds of 2 inches or more in northern Minnesota communities such as International Falls, Ely, Grand Marais, Cook, Hibbing, and Two Harbors. Probabilities for 6 inches or more increase in the Arrowhead and into parts of the Wisconsin South Shore, where lake enhancement may cause localized amounts to rise.
While specific totals are unknown, the National Weather Service has identified northern Minnesota and places around the South Shore as the most likely locations for significant snowfall. Slick roads, limited visibility, and sluggish driving are expected Wednesday morning and night as lake-effect bands reappear.
Forecasters recommend closely following updates throughout the early week as confidence grows and snowfall forecasts are refined. Travelers traveling out before Thanksgiving may face difficult circumstances, particularly in high-probability areas near Duluth, the North Shore, and Iron County, Wisconsin.
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