The National Weather Service in northern Indiana says those who live near rivers should be vigilant about possible flooding.
Recent warmer temperatures and rain caused rivers in northeast Indiana and northwest Ohio to rise, and the weather service said the ice has fractured.
The fracturing, it said can cause problems if the ice gets stuck, builds up and causes an ice jam. Water levels can rise behind such jams and then release suddenly with little or no advance warning, the weather service said.
More snow is forecast for the weekend.
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