


Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
313 FLUS43 KLOT 011906 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 206 PM CDT Mon Sep 1 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-021915- 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- 206 PM CDT Mon Sep 1 2025 /306 PM EDT Mon Sep 1 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Wednesday... Limited Thunderstorm Risk. High Swim Risk Lake Michigan Beaches. Thursday... High Swim Risk Lake Michigan Beaches. DISCUSSION... A strong storm system on Wednesday will bring rain, wind, and much cooler temperatures to end the week. Dangerous swim conditions will develop, mainly at Indiana beaches, Wednesday evening into Thursday. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-021915- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 206 PM CDT Mon Sep 1 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Wednesday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. Thursday... Hazardous conditions for small craft are likely. $$ Borchardt Visit us at www.weather.gov/chicago