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

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Fair

72°F

22°C

Humidity 61%
Wind Speed S 5 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Aug 9:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Northwest wind around 5 mph becoming northeast in the afternoon.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers. Partly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 78. Northwest wind around 5 mph becoming northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers. Partly cloudy, with a low around 66.
Saturday
A chance of showers after 1pm. Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
9:16 pm CDT Aug 17, 2026
Forecast Valid:
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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