If you think it’s cold now, just wait! Bone-chilling arctic air will plunge into the Northern Plains Friday and then spill south and east into the Ohio Valley and Northeast this weekend. Temperatures are forecast to drop below zero in places like Minneapolis, Omaha, Sioux Falls and Chicago. When you factor in the wind, wind chills could drop as low as -30 across parts of the Dakotas and Minnesota. Click here to find out how cold it will be in your city.

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