Accumulating snow for southeast Minnesota, record cold possible next week

Rochester could pick up 2-4 inches of fresh snow.
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The Twin Cities could get some light snow late Tuesday night into Wednesday morning, but the National Weather Service is expecting some decent accumulations in areas south of the metro. 

Here's what the weather service expects to unfold: 

"Light snow will begin to develop in southwest Minnesota during the afternoon. The light snow will slowly spread east - northeast across southern Minnesota, and possibly reaching the Twin Cities, and Eau Claire during the evening. The best chance of accumulating snowfall will occur along I-90, especially east of Fairmont. The light snow will begin to taper off late tonight, and end Wednesday morning."

Locations along the I-90 corridor could pick up 2-4 inches of fresh snow – the season's first accumulating snow for most – while the core of the metro again dodges the wintry bullet, although a half-inch to an inch is possible. 

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A winter weather advisory is in effect from 6 p.m. through 6 a.m. Wednesday and includes the cities of Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, and Caledonia, among others. 

Here's the HRRR computer model simulation, showing snow push through southern Minnesota late Tuesday before exiting early Wednesday. Click here if the GIF doesn't load below

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Wednesday will be cold with brisk northwest winds making it feel even colder, but we all better adjust quickly because there are no signs of prolonged warmer weather in the forecast. 

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The forecast discussion from the NWS Twin Cities says computer models are projecting extreme cold for early next week. There is potential for record-breaking cold, with the models painting a picture that would be similar to Nov. 10-12, 1986, when highs were in the teens and lows dropped to around zero in St. Cloud, the Twin Cities and Eau Claire. 

The discussion notes that it's unclear if there was snow cover during that cold spell in 1986, but the odds of snow cover in the metro and St. Cloud early next week are low, and that could limit how cold it actually gets. 

Meanwhile, most of rest of the world is warmer than normal. 

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