Tropical Moisture Producing Heavy Rain in Portions of the Western U.S., Southeast Florida, and Puerto Rico and the U.S. Virgin Islands
Heavy rain and flash flooding will continue across portions of California, the Southwest, and parts of the Southern Rockies. Strong to locally severe thunderstorms and heavy rain will impact portions of the Plains and Mississippi Valley. Tropical moisture is causing heavy rainfall in southeast Florida, Puerto Rico and the Virgin Islands, Read More >
| NWS Forecast for: Wilmette Harbor to Northerly Island IL (LMZ741) Issued by: National Weather Service Chicago, IL Last Update: 947 PM CDT Thu Sep 18 2025 |  |
| Rest Of Tonight: Northeast winds 5 to 10 kt becoming east. Patchy fog after midnight. Waves 1 to 2 ft. Friday: East winds 5 to 10 kt. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 3 ft. Friday Night: East winds 10 to 15 kt becoming southeast overnight. Scattered showers and thunderstorms. Waves 2 to 4 ft building to 3 to 5 ft. Saturday: Southeast winds 10 to 15 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft. | |
| Zone Forecast: Wilmette Harbor to Northerly Island IL (LMZ741) | |
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