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.

A Few Clouds

78°F

26°C

Humidity 47%
Wind Speed N 10 G 21 mph
Barometer 30.06 in (1017.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Aug 11:53 am CDT
Extended Forecast for

Chicago IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Northeast wind 5 to 10 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 81. Light south southwest wind increasing to 5 to 10 mph in the morning.

    High: 81 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 66 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 77. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Northeast wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 63. Northeast wind around 5 mph becoming calm.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 81. Light south southwest wind increasing to 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 66. Southwest wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 77. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 74.
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 63.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 66.
Wednesday
A chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
12:11 pm CDT Aug 20, 2026
Forecast Valid:
12pm CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
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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