A tornado was spotted southwest of Chicago Wednesday night as a second round of storms swept through a large part of the Midwest — after a first wave cancelled more than 100 flights.
The tornado was confirmed northwest of Sheridan, Illinois, about 60 miles southwest of Chicago, at 8:26 p.m. local time (9:26 p.m. ET), the National Weather Service said.
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Storm reports lodged with the weather service indicated a brief touchdown and tree damage.
Earlier Wednesday, more than 100 flights were cancelled at Chicago's main airport. Another 40 were scrubbed at Chicago Midway International Airport Wednesday, officials said.