The National Weather Service (NWS) issued a flash flood warning for key parts of Chicago on Friday, urging approximately 600,000 residents to take immediate action to protect life and property.

A line of fast-moving storms prompted severe thunderstorm warnings in the Chicago area and ground stops at O'Hare and Midway airports. There were also reports of storm damage.

CHICAGO (WLS) -- Heavy rain moved through the Chicago area on Sunday, causing flooding in parts of the city and suburbs. A Flash Flood Warning was in effect for Cook County and Lake County ...

CHICAGO (WLS) -- Funnel clouds have been reported and there is Flash Flood Warning for parts of the Chicago area Friday. The Flash Flood Warning is for DuPage and Cook counties until 2:45 p.m. There is very heavy rain in narrow lines in the area Friday.

The threat of flash flooding on Sunday afternoon was focused over parts of the Midwest, where flood watches have been posted from Missouri to West Virginia, including the cities of Indianapolis and Cincinnati. Rounds of heavy rain and thunderstorms are forecast to sweep across the Midwest region over the next 24 hours.

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