FLUS43 KLOT 061001 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 401 AM CST Thu Nov 6 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-071015- 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- 401 AM CST Thu Nov 6 2025 /501 AM EST Thu Nov 6 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 Thunderstorm Risk tonight mainly south of I-88. DISCUSSION... A few thunderstorms are possible tonight. Severe weather is not expected. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Sunday Night through Monday Night... Limited Snow Risk near the lake. DISCUSSION... A period of accumulating lake effect snow is possible Sunday night through Monday night, however significant uncertainty regarding the location of lake effect precipitation exists. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east-northeast around 40 mph. $$ LMZ740>745-071015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 401 AM CST Thu Nov 6 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. Weather hazards expected... Hazardous conditions for small craft tonight. Limited Thunderstorm Risk tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Saturday Night through Monday... Gale force winds and very hazardous waves are possible. Tuesday and Wednesday... Hazardous conditions for small craft are likely. $$ Carlaw Visit us at www.weather.gov/chicago