Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast
Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >
| NWS Forecast for: Northerly Island to Calumet Harbor IL (LMZ742) Issued by: National Weather Service Chicago, IL Last Update: 357 AM CST Tue Nov 18 2025 | |
Early This Morning: Southeast winds 10 to 20 kt. Showers. Waves 2 to 4 ft. Today: East winds 15 to 25 kt. Occasional showers and a chance of drizzle in the morning. Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft. Tonight: East winds 10 to 20 kt. Cloudy. Waves 3 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft. Wednesday: East winds 10 to 15 kt becoming southeast. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft. Wednesday Night: South winds around 5 kt becoming southwest overnight. Mostly cloudy. Waves 1 to 2 ft. | |
| Zone Forecast: Northerly Island to Calumet Harbor IL (LMZ742) | |
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