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

79°F

26°C

Humidity 85%
Wind Speed NW 9 mph
Barometer 29.94 in (1012.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Aug 9:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Northeast wind 5 to 10 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. East wind around 5 mph becoming west southwest after midnight.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75.

    High: 75 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 77. Northeast wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 65. East wind around 5 mph becoming west southwest after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
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:
9:01 pm CDT Aug 16, 2026
Forecast Valid:
9pm CDT Aug 16, 2026-6pm CDT Aug 23, 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