462 FLUS43 KLOT 301004 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 404 AM CST Tue Dec 30 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-310900- 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- 404 AM CST Tue Dec 30 2025 /504 AM EST Tue Dec 30 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Today and Tonight. Weather hazards expected... Limited Snow Risk. DISCUSSION... Light snow is expected to develop this afternoon and continue into the evening, mainly north of a Rockford IL to Rensselaer IN line. Accumulations of a coating to an inch could result in hazardous road conditions. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Limited Snow Risk. DISCUSSION... Another period of snow is expected Wednesday afternoon with accumulations of a coating to locally over an inch expected. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-310900- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 404 AM CST Tue Dec 30 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. Weather hazards expected... Hazardous conditions for small craft for Indiana waters today. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday and Thursday... Hazardous conditions for small craft are likely. $$ - Izzi Visit us at www.weather.gov/chicago