COOK COUNTY, Ill. - A Flash Flood Warning was issued on Sunday for Cook County and Lake County in Indiana.
The warning was set to be in effect until 5:00 p.m.
The National Weather Service said it was seeing rain rates nearing one inch per hour. Residents were advised to avoid flooded areas and to find alternate routes when driving.
In Calumet City, several cars were underwater due to heavy flooding in the 300 block of Manistee.
Additionally, a Special Marine Warning was issued for Lake Michigan from Winthrop Harbor to Wilmette Harbor until 9 a.m. NWS said wind, hail, steep waves and waterspouts were possible in the area.