Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
021 FLUS43 KLOT 302058 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 258 PM CST Sun Nov 30 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-012100- 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- 258 PM CST Sun Nov 30 2025 /358 PM EST Sun Nov 30 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...This Afternoon and Tonight. Weather hazards expected... Limited Snow Risk parts of Porter County, IN. DISCUSSION... Lake effect snow showers may continue into this evening, mainly across parts of Porter County leading to isolated slick travel. .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... Limited Snow Risk. Saturday... Limited Snow Risk. DISCUSSION... A period of accumulating snow is expected Monday afternoon into Monday night, which may produce hazardous travel conditions for the Monday afternoon commute and potentially lingering impacts for 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. $$ LMZ740>745-012100- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 258 PM CST Sun Nov 30 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Wednesday and Thursday... Hazardous conditions for small craft are likely. $$ Visit us at www.weather.gov/chicago