Cold temperatures and snow were expected in Michigan into next week. The lowest readings Friday morning were in the Upper Peninsula, including zero degrees in Ironwood and 1 degree in Iron Mountain.
Forecasters said lake-effect snow was possible in the U.P. and parts of western Michigan. Snow and freezing rain could make travel difficult.
Gale warnings were in effect Friday for Lake Superior, with waves expected to be 18 feet to as high as 27 feet.