CHICAGO (WLS) --It could be a stormy afternoon in the Chicago area.
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Strong to severe storms were already popping up late Thursday morning in western Illinois.
The best chance of severe weather in our area will be from noon until 5 p.m., says ABC7 meteorologist Phil Schwarz.
Residents in northwest Indiana have the greatest chance of seeing severe storms.
City aviation officials say at O'Hare International Airport there are 20-minute delays and 100 flights canceled so far Thursday afternoon, but officials said those numbers could rise.
At Midway, there were no cancellations, but some 20-40 minute delays.