| NWS Forecast for: Winthrop Harbor to Wilmette Harbor IL (LMZ740) Issued by: National Weather Service Chicago, IL Last Update: 1006 AM CST Thu Jan 1 2026 |  |
Rest Of Today: Northwest winds 10 to 15 kt becoming west. Chance of snow late in the morning, then snow in the afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft. Tonight: West winds 10 to 15 kt becoming northwest. Mostly cloudy in the evening then clearing. Waves 1 to 2 ft. Friday: Northwest winds 10 to 15 kt. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft. Friday Night: Northwest winds around 10 kt. Mostly cloudy. Waves 1 to 2 ft. | |
| Zone Forecast: Winthrop Harbor to Wilmette Harbor IL (LMZ740) | |
Visit your local NWS office at: https://www.weather.gov/lot |