Across the Corn Belt, sub-0°F temperatures cover the upper Midwest early Friday, following recent snowfall. In fact, several readings below -20°F were reported in Minnesota and the Dakotas. Meanwhile in the lower Great Lakes region, clean-up efforts continue in areas hit by recent accumulations of freezing rain, which resulted in downed trees and widespread power outages, especially in southern Michigan.
On the Plains, a late-season cold wave is peaking early Friday, with temperatures falling below -20°F in parts of Montana, eastern Wyoming, and the Dakotas.