The National Weather Service Chicago forecast office is located adjacent to the Lewis University Airport in Romeoville, Illinois.
[7] KXI58 broadcasts weather and hazard information for DeKalb, DuPage, Grundy, Kane, Kendall, LaSalle, & Will counties in Illinois.
[9] WXK24 broadcasts weather and hazard information for LaSalle, Grundy, Livingston, Ford, Will, Kankakee, Iroquois, Marshall, Woodford & McLean counties in Illinois.
[10] WNG536 broadcasts weather and hazard information for DeKalb, Boone, Winnebago, Ogle, Lee & Kane counties in Illinois.
[13] Programming for Ogle and Lee counties is provided from the National Weather Service Chicago Forecast Office in Romeoville, Illinois, with warnings for Carroll Whiteside & Bureau counties being issued by the National Weather Service office located in Davenport, Iowa.
[14] WNG689 broadcasts weather and hazard information for Lake, Porter, Newton, Jasper, LaPorte, Starke & Pulaski Counties in Indiana.