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

81°F

27°C

Humidity 54%
Wind Speed NE 9 mph
Barometer 29.98 in (1014.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 3 Aug 2:53 pm CDT
Extended Forecast for

Chicago IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. East wind around 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 90%.

    Low: 68 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

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

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. East wind around 10 mph.
Tonight
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. South southwest wind 5 to 10 mph.
Tuesday Night
Increasing clouds, with a low around 69. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 90%.
Thursday
Showers likely, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:21 pm CDT Aug 3, 2026
Forecast Valid:
3pm CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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