Air Temps to Reach New Seasonal Lows Overnight

December 27, 2017 05:39 AM

Air temperatures in the Twin Cities and portions of greater Minnesota are expected to reach their lowest points this season overnight Tuesday into Wednesday.

For that reason, the National Weather Service has extended a wind chill advisory for most of the state until 9 a.m. 

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RELATED: It's Colder in Minnesota Tuesday Than in the Arctic

That doesn't necessarily mean it will be windy, however. KSTP Meteorologist Sam Ryan said it's because the temps will be so low that it won't take much for a wind chill reading to reach -25 overnight in the metro.

The weather service says wind chills of that magnitude and colder can mean frostbite in as little as 15 minutes for exposed skin. 

Meanwhile, Ryan forecasted a high of 6 degrees and sunny skies for Wednesday, before a round of snow moves in Wednesday night.

He said it's expected to fall until about noon on Thursday, which likely will mean a slow morning commute. The metro could see 2 to 3 inches, Ryan said, and areas north of Interstate 94 could see something like 3 or 4 inches. 

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Refreeze on Twin Cities roadways could create invisible icy patches, so take heed while driving. 

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Temperatures were expected to become bitter cold again over the weekend, with highs of -2 and zero forecasted for Saturday and Sunday, respectively.

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