A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >
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| 622 FLUS43 KLOT 092155 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 355 PM CST Sun Nov 9 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-102200- 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- 355 PM CST Sun Nov 9 2025 /455 PM EST Sun Nov 9 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Significant Snow Risk northeast IL and northwest IN. Limited Thunderstorm Risk. DISCUSSION... Intense lake effect snow is expected in northeastern Illinois and northwestern Indiana late this evening and overnight. Snow rates locally in excess of 3 inches per hour will lead to dangerous travel conditions especially near Lake Michigan. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday morning... Significant Snow Risk near Lake Michigan. Limited Thunderstorm Risk. DISCUSSION... Intense lake effect snow will continue Monday in northeastern Illinois and northwestern Indiana. Snow rates locally in excess of 3 inches per hour in the morning will lead to dangerous travel conditions especially near Lake Michigan. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-102200- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 355 PM CST Sun Nov 9 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Gale force winds and very hazardous waves. Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Monday through Saturday. Monday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. Tuesday and Wednesday... Hazardous conditions for small craft are likely. Friday and Saturday... Hazardous conditions for small craft are likely. $$ KJB Visit us at www.weather.gov/chicago |
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