US Weather Forecast: Cold, Freezing Cold!
The National Weather Service (NWS) forecast a combination of freezing winds and cold temperatures for much of the central and Northern Plains, as well as the Upper Midwest resulting in dangerous wind chill values of 30 degrees below zero or colder.
Map of Forecast Temperatures for the US. Source: NWS/NOAA
The cold snap is expected to begin Tuesday morning with temperatures of -15 in the north and wind chills of -15 to -30. The Arctic spell will remain in the state for about a week. The wind chills may drop to -40 in parts of the northwest, the coldest weather in 20 years.