As per reports, in the context of the Arctic front recorded across North America, multiple winterstorm warnings have been issued across the Chicago area from Sunday (14 January).

• A Winter weather advisory is in effect for Illinois’ Boone, Cook, DeKalb, DuPage, Grundy, Kane, Kankakee, Kendall, Lake, LaSalle, Lee, McHenry, Ogle, southern Will and Winnebago counties as well as Lake County, Indiana until evening hours of Sunday (14 June) as winds blow fallen snow, affecting visibility.
• A Wind Chill Advisory will be in effect for Illinois’ Boone, Cook, DeKalb, DuPage, Grundy, Kane, Kankakee, Lake, LaSalle, Lee, McHenry, Ogle, Will and Winnebago counties and Northwest Indiana’s Lake and Porter counties from noon Sunday until 0900 hours local time on Wednesday (17 January). The advisory will be in effect for Indiana’s Benton, Jasper and Newton counties until Monday (15 January) at noon.
• NWS has also warned that in riverine areas susceptible to ice jams, it is suggested to stay alert for possible ice jam flooding the next several days.