Frigid cold with wind chills below zero, dangerous snow possible in Chicago weekend weather

The National Weather Service has issued a Cold Weather Advisory for Boone, Cook, DeKalb, DuPage, Will, Grundy, Kane, Kankakee, Kendall, LaSalle, Lake (Ill.), Livingston, McHenry, Winnebago, Jasper, Lake (Ind.) and Newton counties from 8 p.m. Saturday to noon Sunday.