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.

Mostly Cloudy

85°F

29°C

Humidity 42%
Wind Speed SW 10 mph
Barometer 30.03 in (1015.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 Jul 5:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm after midnight.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 68 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 73. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 66 °F

    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Sunday Night

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

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

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

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 69. East southeast wind around 5 mph becoming calm after midnight.
Friday
A 50 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Showers likely, then showers and possibly a thunderstorm after 10pm. Some of the storms could produce heavy rainfall. Low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. High near 73. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 66. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
2:46 pm CDT Jul 30, 2026
Forecast Valid:
6pm CDT Jul 30, 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