Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
265 FLUS43 KLOT 010332 AAB HWOLOT Hazardous Weather Outlook...UPDATED National Weather Service Chicago/Romeoville IL 932 PM CST Sun Nov 30 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-020345- 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- 932 PM CST Sun Nov 30 2025 /1032 PM EST Sun Nov 30 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Limited Fog and Freezing Fog Risk. DISCUSSION... Fog development is possible overnight, some of which could be locally dense, mainly outside of Chicago and away from Lake Michigan where clouds have cleared out. If and where dense fog develops, patchy slick spots may occur due to sub-freezing temperatures. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday... Elevated Snow Risk. Wednesday... Limited Snow Risk. Wednesday night through Friday morning... Limited Excessive Cold Risk. Friday and Saturday... Limited Snow Risk. DISCUSSION... A period of accumulating snow is expected Monday afternoon into Monday night which may result in hazardous travel conditions for the Monday evening commute with impacts potentially lingering into the Tuesday morning commute. Additional chances for accumulating snow exist Wednesday afternoon and Friday into Saturday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-020345- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 932 PM CST Sun Nov 30 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Wednesday and Thursday... Hazardous conditions for small craft are likely. $$ Petr Visit us at www.weather.gov/chicago