Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
949 FLUS43 KLOT 052040 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 240 PM CST Fri Dec 5 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-062045- 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- 240 PM CST Fri Dec 5 2025 /340 PM EST Fri Dec 5 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Limited Ice Accumulation Risk. DISCUSSION... Patchy freezing drizzle or snow may lead to localized slick spots late this evening and overnight. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday night into Sunday morning... Elevated Snow Risk. Sunday night through Thursday... Limited Snow Risk. DISCUSSION... A series of clipper systems moving across the Great Lakes may bring regular opportunities for snow and travel impacts to the local area this weekend through next week. The first of these systems will bring a quick bout of accumulating snow Saturday night into Sunday morning. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-062045- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 240 PM CST Fri Dec 5 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Sunday through Thursday... Hazardous conditions for small craft are likely. $$ Kluber Visit us at www.weather.gov/chicago