Heavy Rainfall for Portions of the West and Central U.S.; Monitoring Fire Weather Conditions for New England

Tropical moisture continues to flow across portions of the Great Basin, desert Southwest and California. Isolated instances of flash flooding remains possible. Meanwhile, a storm and associated frontal boundary will focus showers and thunderstorms for the center of the nation. For New England, dry and breezy conditions could enhance favorable fire weather conditions. Read More >

Coastal Waters Forecast for Northerly Island to Calumet Harbor IL (LMZ742) (Text-Only)
NWS Forecast for: Northerly Island to Calumet Harbor IL (LMZ742)
Issued by: National Weather Service Chicago, IL
Last Update: 929 PM CDT Fri Sep 19 2025




Rest Of Tonight: Southeast winds 10 to 15 kt. Isolated showers and thunderstorms. Waves 1 to 3 ft.

Saturday: Southeast winds 10 to 15 kt becoming east 5 to 10 kt in the afternoon. Scattered showers and thunderstorms in the afternoon. Waves 1 to 3 ft.

Saturday Night: East winds around 10 kt becoming southeast overnight. Chance of showers and thunderstorms. Waves 1 to 2 ft.

Sunday: South winds around 10 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft.







Zone Forecast: Northerly Island to Calumet Harbor IL (LMZ742)

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