Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
430 FLUS43 KLOT 210835 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 235 AM CST Fri Nov 21 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-220845- 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- 235 AM CST Fri Nov 21 2025 /335 AM EST Fri Nov 21 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 Fog Risk. DISCUSSION... Patchy dense fog will continue to be possible early this morning south of a Pontiac to Valparaiso line. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-220845- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 235 AM CST Fri Nov 21 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Wednesday and Thursday... Hazardous conditions for small craft are likely. $$ KJB Visit us at www.weather.gov/chicago