Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
894 FLUS43 KLOT 042003 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 203 PM CST Thu Dec 4 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-052015- 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- 203 PM CST Thu Dec 4 2025 /303 PM EST Thu Dec 4 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 Excessive Cold Risk. DISCUSSION... Wind chills 10 below to 15 below zero are expected tonight into early Friday morning. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday morning... Limited Excessive Cold Risk. Early Saturday morning... Limited Snow or Ice accumulation Risk. Sunday through Wednesday... Limited Snow Risk. DISCUSSION... Clipper systems parading across the broad region may deliver periodic opportunities for snow and travel impacts in our local area. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-052015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 203 PM CST Thu Dec 4 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...This Afternoon and Tonight. Weather hazards expected... Hazardous conditions for small craft. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday... Hazardous conditions for small craft are likely. Sunday through Wednesday... Hazardous conditions for small craft are likely. $$ Borchardt Visit us at www.weather.gov/chicago