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

81°F

27°C

Humidity 54%
Wind Speed S 12 G 21 mph
Barometer 29.95 in (1013.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 31 Jul 10:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: Showers, mainly after 3pm. Temperature falling to around 75 by 5pm. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 82 °F⇓

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 73. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 73 °F

    Showers and
    Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 66. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 73. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Cloudy
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after 3pm. Temperature falling to around 75 by 5pm. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 73. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms before 1am. Cloudy, with a low around 66. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 73. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Partly 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:
10:06 am CDT Jul 31, 2026
Forecast Valid:
11am CDT Jul 31, 2026-6pm CDT Aug 6, 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