Updated on: August 11, 2026 / 7:10 PM EDT

/ CBS/AP

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Severe weather cut power to nearly 1 million customers in the Midwest as perilous thunderstorms and extreme wind gusts pummeled the region Tuesday.Tornado warning sirens howled as the skies darkened. All flights were temporarily stopped at Chicago's two major airports, and officials warned of delays as the backlog was cleared. According to the flight tracking website FlightAware, 45% of flights in and out of Chicago O'Hare International Airport were delayed on Tuesday, and 10% were canceled. In Ohio, power outages swept the state capital region, and at least one death was reported.Photos from the Chicago area posted on social media showed flooded roads, trees tangled in power lines and homes with gashes in their roofs.

In this image made from video, a roof is damaged after a strong storm in Tinley Park, Illinois, on Aug. 11, 2026.