Heavy rainfall brought flooding and damage across much of the Chicago area Sunday night.
Thunderstorms rolled through the area beginning during the day on Sunday, with heavy downpours and damaging winds.
A Flash Flood Warning was issued Sunday evening for parts of northeast Illinois and northwest Indiana.
In Illinois, the warning was in effect for Lake, Will, Kankakee, DuPage and Cook counties.
There was a flash flood warning in northwest Indiana's Lake county, with rainfall upwards of one to two inches per hour.
The flash flood warnings were in effect until 10:15 p.m. Sunday, but heavy rain continued through the night.
Around 40 people and their pets were evacuated from their homes via rescue boats in suburban Lyons Sunday night, according to Lyons Fire Chief Gordon Nord.
In Chicago, the Chicago River surged with the rainfall, flooding onto the Riverwalk in some parts. The Metropolitan Water Reclamation District said Sunday night that they had reversed the flow of the river into Lake Michigan in response to the flooding.
Roadways across the area were also impacted, including Lower Wacker Drive, where water levels covered the road and fire officials had to rescue people stranded by the water.
The National Weather Service warned that flooded rivers and streams could continue to rise even after the rain moves out of the area.
More than 1,000 ComEd customers in Cook County were without power as of 9:38 p.m., according to the utility. DuPage, Kendall and Kankakee counties had more than 100 customers without power Sunday night.