The National Weather Service (NWS) in Duluth, Minnesota reports on a cold air mass invading the northern part of the state Monday night. Saying, “Tonight will again be cool with frost or freezing temperatures expected over portions of the Northland. Clouds will be moving in from the east and be most widespread from the Arrowhead south into northern Wisconsin.”
Meanwhile, in Ohio, a frost advisory was posted by the NWS in Wilmington for Monday night in central and southern Ohio lasting until 9AM CDT Tuesday:
