Heavy Snow from the Midwest into the Great Lakes; Locally Heavy Rain in the Western Gulf Coast

A significant winter storm will produce a broad area of moderate to heavy snow from the Midwest through the western Great Lakes. Significant snow accumulations of 6-12 inches, and locally more than 1 foot, and gusty wind may cause hazardous travel conditions. Thunderstorms, some severe, and showers may produce locally heavy rain and isolated flash flooding along the western Gulf Coast. Read More >

Coastal Waters Forecast for Wilmette Harbor to Northerly Island IL (LMZ741) (Text-Only)
NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741)
Issued by: National Weather Service Chicago, IL
Last Update: 1024 PM CST Sat Nov 29 2025
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Rest Of Tonight: South winds to 30 kt becoming west overnight. Occasional gale force gusts to 35 kt late in the evening. Snow and slight chance of rain. Waves 7 to 10 ft occasionally to 13 ft subsiding to 3 to 5 ft.

Sunday: Northwest winds to 30 kt. Snow showers in the morning, then slight chance of snow showers in the afternoon. Waves 4 to 7 ft occasionally to 9 ft.

Sunday Night: Northwest winds 15 to 20 kt diminishing to 10 to 15 kt. Partly cloudy in the evening, then becoming mostly cloudy. waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.

Monday: West winds around 10 kt becoming southwest. Chance of snow in the afternoon. Waves 1 to 3 ft.







Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741)

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