Potentially dangerous heat is expected to impact the Chicago area on Monday.
The National Weather Service issued a Heat Advisory for Boone, Cook, DeKalb, Will, Grundy, Kane, Kankakee, Kendall, LaSalle, Lake (IL), Livingston, McHenry, Ogle, Winnebago, Newton, Jasper, Lake (IN) and Porter counties from noon to 8 p.m. Monday…