Cold front bring massive drop in temps, winter weather

CHICAGO -- A Winter Weather Advisory is in effect for a large portion of the Chicago area until midnight.

Rain, sleet and freezing rain is expected as a cold front moves through and temps drop rapidly.

Chicago-area roads could become slick in many spots.

At 4PM CST the north-south-oriented cold front was moving east over the Fox River Valley – along a line from Fox Lake – Crystal Lake – Elgin – St. Charles – Aurora to Morris and south.

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