Heavy Rain and Thunderstorms in the Plains; Tropical Moisture Brings Heavy Rain to Southern California and Southwest

Heavy rain showers and thunderstorms, some severe, will persist across the Plains and Mississippi Valley through Friday. Increasing tropical moisture from the remnants of Mario will bring showers, thunderstorms, and a flash flooding threat across much of southern California into the Desert Southwest through Friday. Read More >

Last Update: 912 PM CDT Wed Sep 17 2025

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Chicago, IL Local Forecast Office

8NM NE Gary IN

Marine Zone Forecast

Rest Of Tonight
Northeast winds less than 10 kt becoming southeast. Mostly clear. Waves 1 ft or less.
Thursday
South winds less than 10 kt becoming northeast 5 to 10 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
Northeast winds 5 to 10 kt becoming east. Mostly clear. Waves around 1 ft.
Friday
East winds 5 to 10 kt becoming northeast around 10 kt in the afternoon. Mostly sunny in the morning, then becoming partly cloudy. Waves 1 to 2 ft.



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912 PM CDT Wed Sep 17 2025
 
 

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