Dangerously cold wind chills linger Saturday morning as snow approaches the Chicago area.
Lake-effect snow is expected across Northwest Indiana, and a snow system arrives at night for Illinois.
The National Weather Service issued a Winter Weather Advisory from Saturday at 6 p.m. through Sunday at 6 p.m. for La Salle, Cook, DuPage, Kankakee, Grundy, Kendall and Will counties…