A line of severe thunderstorms raced through the Chicago area Wednesday afternoon, downing trees, causing power outages, and forcing ground stops at O'Hare and Midway airports.

The National Weather Service issued a flash flood warning for Chicago, urging 600,000 residents to take precautions. More ...

Torrential rains nearing 5 inches in just a few hours led to flash flooding across parts of Chicago on Friday afternoon, ...

Trees and power lines came down in parts of the area. Damage was reported in Bolingbrook, Naperville, and other communities ...

A ground stop is in place at Chicago's O'Hare International Airport due to thunderstorms in the city's suburbs.

At Chicago’s O’Hare International Airport, there is a ground delay in place, with an average delay of nearly two hours in departing flights because of severe weather. We will continue to ...

According to the latest data from the US Bureau of Transportation Studies (BTS), 21.9% of the 7.5 million flights on US-based ...