Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Last Update: 308 PM CDT Sun Aug 30 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Late This Afternoon
South winds 10 to 20 kt. Scattered showers and slight chance of thunderstorms. Waves 1 to 3 ft.
Tonight
South winds 10 to 15 kt. Numerous showers and slight chance of thunderstorms in the evening. Waves 1 to 3 ft.
Monday
Southwest winds 10 to 20 kt. Slight chance of showers and thunderstorms. Waves 1 to 3 ft.
Monday Night
South winds 10 to 15 kt becoming southwest. Slight chance of showers and thunderstorms overnight. Waves 1 to 2 ft.
Tuesday
Southwest winds around 10 kt. Partly cloudy. Waves 1 to 2 ft.



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308 PM CDT Sun Aug 30 2026
 
 

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