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.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 8:53 pm CDT
Extended Forecast for

Chicago Midway Airport IL

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 67. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. West northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming south southwest after midnight.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Low around 67. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. West northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm after midnight.
Thursday
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming south southwest after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago Midway Airport IL
 41.79°N 87.74°W
Last Update:
9:11 pm CDT Aug 18, 2026
Forecast Valid:
9pm CDT Aug 18, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation