FLUS43 KLOT 172011 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 311 PM CDT Tue Mar 17 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-182015- 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- 311 PM CDT Tue Mar 17 2026 /411 PM EDT Tue Mar 17 2026/ 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. Limited Ice Accumulation Risk Far Northern Illinois. DISCUSSION... Accumulating light snow is expected areawide tonight into early Wednesday morning. Untreated surfaces may become snow covered and slippery. There is also a low chance for freezing drizzle near the Illinois Wisconsin state line. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-182015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 311 PM CDT Tue Mar 17 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Friday through Monday... Hazardous conditions for small craft are likely. $$ Visit us at www.weather.gov/chicago