Colder temperatures could be in store for northern Illinois, light snow possible overnight, NWS says

Temperatures were expected to drop Sunday and light snow is possible after midnight, according to the National Weather Service.

A hazardous weather outlook for portions of northern Illinois and northwest Indiana issued early Sunday morning said “a cold front will bring blustery winds with subzero wind chills” with up to a half-inch of snow possible heading into Monday morning.

The hazardous weather outlook applied to Winnebago, Boone, McHenry, Lake, Ogle, Lee, DeKalb, Kane, DuPage, LaSalle, Kendall, Grundy, Kankakee, Livingston, Iroquois, Ford and portions of Cook and Will counties.

Cold temperatures were expected throughout the week, according to the weather service.