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CHICAGO — No injuries or severe damage were reported, but the skies put on a show Wednesday night when a tornado warning was issued for part of the Chicago-area.

Cook, McHenry and Lake counties in Illinois were under the warning for about an hour. The tornado was reported on the radar but no touchdowns have been reported as of Wednesday night.

Several WGN viewers tweeted and posted incredible video and photos of the cloud formations during the warning and after. You can see more here.