A cold, northerly wind flows over Upper Michigan in the wake of a departing system, bringing lake effect snow over the north through northeast wind belts overnight through Friday. Mainly light snow expected, with accumulations over 1″ possible in the highlands of the Keweenaw Peninsula, and Baraga and Marquette counties. In addition to potentially slick road hazards, dangerous wind chills are possible Friday at -15°F or less — especially in the Eastern U.P.
High pressure builds in the region late Friday through Saturday, resulting in gradual clearing of snow showers and clouds for a sun-shiny Saturday (though still seasonably cold).
A predominantly northwesterly jet stream keeps rounds of below seasonal temperatures and snow in play throughout the seven day forecast. A system late Tuesday can potentially bring widespread and moderate to heavy snowfall to the region.
Friday: Partly sunny to mostly cloudy with lake effect snow (LES) over the northeast wind belts; cold
>Highs: 0s to 10s (colder east)
Saturday: Mostly sunny to partly cloudy and cold
Sunday: Cloudy with scattered light snow showers and blustery
Monday, Martin Luther King Jr. Day: Partly sunny to mostly cloudy with LES over the NW wind belts; blustery
Tuesday: Mostly cloudy with snow showers becoming widespread in the afternoon; moderate to heavy snowfall possible; cold and windy
Wednesday: Partly sunny to mostly cloudy with LES over the NW wind belts; blustery
Thursday: Mostly cloudy and cold
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