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 ESE Chicago IL

Marine Zone Forecast

Rest Of Tonight
East winds less than 10 kt becoming south. mostly clear. Waves 1 ft or less.
Thursday
South winds less than 10 kt becoming east 10 to 15 kt in the afternoon. Mostly sunny. Waves 1 ft or less.
Thursday Night
Northeast winds around kt. Mostly clear in the evening, then becoming partly cloudy. Waves 1 to 3 ft.
Friday
East winds 10 to 15 kt becoming northeast. Partly cloudy. Waves 1 to 3 ft.



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912 PM CDT Wed Sep 17 2025
 
 

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