Storm Impacting the Southwest U.S.
A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >
| NWS Forecast for: Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake (LMZ777) Issued by: National Weather Service Chicago, IL Last Update: 249 PM CST Tue Nov 18 2025 |  |
| Tonight: Northeast winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of sprinkles this evening. Waves 3 to 5 ft subsiding to 2 to 4 ft. Wednesday: East winds 10 to 15 kt becoming southeast 5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft. Wednesday Night: Southeast winds 5 to 10 kt becoming southwest. Waves 1 to 2 ft. Thursday: Southwest winds 10 to 20 kt. Chance of rain in the afternoon. Waves 1 to 3 ft building to 2 to 4 ft. Thursday Night: West winds 10 to 20 kt becoming northwest. Chance of rain in the evening. Waves 3 to 5 ft. Friday: Northwest winds 10 to 20 kt. Waves 3 to 5 ft. Friday Night: North winds 10 to 15 kt becoming northeast. Waves 1 to 3 ft. Saturday: Southeast winds 10 to 15 kt becoming south. Waves 1 to 3 ft. Sunday: West winds 10 to 20 kt. Waves 3 to 5 ft. | |
| Zone Forecast: Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake (LMZ777) | |
Visit your local NWS office at: https://www.weather.gov/lot |