National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fair

84°F

29°C

Humidity 74%
Wind Speed S 6 mph
Barometer 29.93 in (1012.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 3 Sep 10:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 77. South wind around 5 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north northeast in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming east in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly clear, with a low around 77. South wind around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north northeast in the morning. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming east in the evening.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 71.
Thursday
Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
9:21 pm CDT Sep 3, 2026
Forecast Valid:
11pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation