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National Weather Service officials said there was a slight chance of snow Tuesday in portions of north central and northeast Illinois, and northwest Indiana.
Officials said a period of snow expected after midnight Tuesday could affect road conditions after an accumulation mainly north of I-80.
Current conditions at O’Hare International Airport is overcast at 38 degrees. At Midway Airport conditions are the same. Wind chills registered at 3 degrees at both locations.
So far, meteorologists say there is a slight risk of additional snow Thursday through Friday morning, and Friday afternoon through Saturday near Lake Michigan and mainly northwest Indiana.