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.

Partly Cloudy

67°F

19°C

Humidity 84%
Wind Speed SW 8 mph
Barometer 30.01 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 18 Aug 3:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: Partly cloudy, with a low around 64. West southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 66. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77.

    High: 77 °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 79.

    High: 79 °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

Overnight
Partly cloudy, with a low around 64. West southwest wind around 5 mph, with gusts as high as 10 mph.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 80. West southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly before 3am. Mostly cloudy, with a low around 66. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph becoming east northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 64. East northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 64.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers. Partly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:50 am CDT Aug 18, 2026
Forecast Valid:
3am CDT Aug 18, 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