Lower Michigan's already overflowing rivers are getting more water as a wave of severe thunderstorms pushes through the state.
The storms also knocked out power to about 78,000 DTE Energy Co. and CMS Energy Corp. electricity customers Thursday.
The National Weather Service says the Grand River is expected to crest Monday about 6 feet over flood stage near Grand Rapids, forcing some evacuations.
The river was 3.1 feet above flood stage Thursday at Comstock Park and 2.2 feet above in Ottawa County's Robinson Township.
Up to 4 inches of rain could fall on parts of the state through Friday.
The Saginaw River was 2.8 feet above flood stage Thursday and expected to crest 5.8 feet over the weekend, while the Pine River was 2.1 feet over flood stage at Alma.