Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Last Update: 300 PM CDT Sat Jun 20 2026

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Chicago, IL Local Forecast Office

6NM WNW Michigan City IN

Marine Zone Forecast

Tonight
Northeast winds around 10 kt becoming east around 5 kt overnight. Partly cloudy. Waves 1 ft or less.
Sunday
East winds around 10 kt increasing to 20 to 25 kt late in the afternoon. Showers in the afternoon. Waves 1 ft or less building to 2 to 4 ft.
Sunday Night
East winds to 30 kt becoming northeast 20 to 25 kt after midnight. Showers and slight chance of thunderstorms in the evening, then showers overnight. Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
Monday
Northeast winds 20 to 25 kt becoming north. Chance of showers in the morning. Waves 4 to 6 ft occasionally to 8 ft.



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300 PM CDT Sat Jun 20 2026
 
 

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