Cold air sweeps in overnight and changes the rain over to snow. A Winter Weather Advisory is in place for most of Chicagoland until 1 p.m. Snow may continue at times into the morning hours, with 1 to 3 inches of total accumulation possible.

CHICAGO (WLS) -- There is a threat for severe weather Friday and Saturday, ABC7 Chicago meteorologist Larry Mowry said. A cluster of showers and thunderstorms will likely move through the area during the morning hours on Friday, he said. The threat of ...