Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78° N Lon: 87.76° W Elev: 617 ft.

A Few Clouds

67°F

19°C

Humidity 79%
Wind Speed NE 13 mph
Barometer 30.24 in (1023.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 5:53 am CDT
Detailed forecast for

Central Cook

Rest Of Tonight
Mostly cloudy. Lows in the mid 60s. Northeast winds 5 to 10 mph.
Friday
Mostly cloudy. Highs in the lower 70s. East winds 10 to 15 mph.
Friday Night
Mostly cloudy. A chance of showers and thunderstorms after midnight. Showers and thunderstorms likely late. Lows around 60. East winds 10 to 15 mph. Chance of precipitation 70 percent.
Saturday
Thunderstorms likely in the morning. Showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph, becoming south 5 to 10 mph in the afternoon. Chance of precipitation near 100 percent.
Saturday Night
A chance of thunderstorms in the evening. Showers. A slight chance of thunderstorms after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 90 percent.
Sunday
Showers likely with a slight chance of thunderstorms. Highs in the upper 60s. Chance of precipitation 70 percent.
Sunday Night
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of precipitation 50 percent.
Monday
Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Breezy with highs in the lower 60s. Chance of precipitation 60 percent.
Monday Night
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
Tuesday
Mostly cloudy. A chance of showers in the morning. Highs in the lower 60s. Chance of precipitation 30 percent.
Tuesday Night
Mostly cloudy. Lows in the mid 50s.
Wednesday
Mostly cloudy. Highs in the mid 60s.
Wednesday Night
Mostly cloudy. Lows in the mid 50s.
Thursday
Mostly cloudy. Highs in the upper 60s.



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121 AM CDT Fri Sep 18 2026
 
 

Additional Resources

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Link to Local Radar Data Link to Satellite Data

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National Digital Forecast Database