Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Last Update: 239 PM CDT Tue Sep 15 2026

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Chicago, IL Local Forecast Office

6NM SE Evanston IL

Marine Zone Forecast

Late This Afternoon

Southwest winds 10 to 15 kt becoming west. Patchy fog. Partly cloudy. Waves around 1 ft.

Tonight

Northwest winds 10 to 15 kt becoming northeast. Patchy fog in the evening. Scattered showers and thunderstorms. Waves 1 to 2 ft building to 2 to 4 ft.

Wednesday

Northeast winds 10 to 15 kt. Slight chance of showers and thunderstorms. Waves 2 to 4 ft.

Wednesday Night

Northeast winds around 10 kt becoming east. Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to 1 to 3 ft.

Thursday

North winds around 10 kt becoming northeast. Chance of showers and thunderstorms in the morning. Waves 1 to 2 ft.