A light burst of snow is expected Friday morning, ushering in the next wave of arctic air. Accumulations should be about an inch or less, and the snowfall will likely only last an hour or two at most.
An Arctic air mass with 850mb temperatures ranging from about -23 to nearly -30°C will move southeast from northwest Minnesota on Friday morning, settling over the Northland from Friday afternoon through Sunday. However, those 850mb temperatures will begin to warm up a bit by Sunday.
The good news is there should be plenty of sunshine both Saturday and Sunday, but expect gusty northwest winds at 10 to 20 mph, possibly reaching 30 mph. Temperatures will be brutally cold, with Saturday’s highs in the single digits below zero to around zero, and Sunday’s highs in the single digits above zero. Lows Friday and Saturday night will drop into the teens and 20s below zero, with a chance of a few -30s up north, especially Saturday night.
Euro model 850mb temperature forecast valid 6 AM Friday to 6 AM Monday.
Look to the northwest as that is where our air will be coming from over the next few days.
This afternoon, parts of northwest Canada are still seeing frigid temperatures in the -20s, -30s, and even -40s.
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A cold weather advisory is in effect for all of northeast Minnesota and northwest Wisconsin from Friday evening through Sunday morning, with wind chills expected to drop as low as -33 to -37 degrees.
Remember, last winter the cold weather advisory took the place of the wind chill advisory.
On Thursday morning, low temperatures in the Northland ranged dramatically, from a frigid -17 degrees in Cook, MN to a milder 10 degrees above zero in Brainerd, MN.
This morning, Duluth’s official low at the airport was 0, while Superior Airport hit -1. Over at Pokegama Bay, just west of Superior Airport, it dipped to a chilly -7.
The next chance for precipitation in northeast Minnesota and northwest Wisconsin after Friday looks to be mid-next week, from late Wednesday into Thursday. The 20-member GEFS model offers a variety of outcomes, with some members calling for snow (blue), others for rain (green), and some for mostly dry weather. There’s still plenty of time for the models to refine the forecast.
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