FLUS43 KLOT 102012 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 212 PM CST Wed Dec 10 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-112015- Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage- La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford- Northern Cook-Central Cook-Southern Cook-Northern Will- Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- 212 PM CST Wed Dec 10 2025 /312 PM EST Wed Dec 10 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Limited Snow Risk. DISCUSSION... Light snow is likely this evening, mainly southwest of a Rockford, IL to Rensselaer, IN line. Accumulations of a coating to an inch could result in locally hazardous travel. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday night... Elevated Snow Risk. Saturday... Limited Snow Risk. Saturday morning through Monday morning... Limited to Elevated Excessive Cold Risk. DISCUSSION... Accumulating snow is expected in portions of the area Thursday night into early Friday morning and again Saturday into Saturday night. Bitterly cold wind chills as low as 25 below zero are possible Saturday night into Sunday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-112015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 212 PM CST Wed Dec 10 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Gale force winds and very hazardous waves until early evening. Hazardous conditions for small craft are likely through the night. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday. Thursday... Hazardous conditions for small craft are likely. Friday and Saturday... Hazardous conditions for small craft are likely. Elevated Freezing Spray Risk. Sunday and Monday... Hazardous conditions for small craft are likely. $$ - Izzi Visit us at www.weather.gov/chicago