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

72°F

22°C

Humidity 76%
Wind Speed S 6 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 12:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: Mostly clear, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 69. South southwest wind around 5 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 67. Northwest wind around 5 mph becoming south in the evening. Chance of precipitation is 90%.

    Low: 67 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 66. South wind around 5 mph.
Tuesday
Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 69. South southwest wind around 5 mph.
Wednesday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. South 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 67. Northwest wind around 5 mph becoming south in the evening. Chance of precipitation is 90%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Thursday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
A chance of showers. Partly cloudy, with a low around 71.
Monday
A chance of showers. Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
1:21 am CDT Aug 4, 2026
Forecast Valid:
1am CDT Aug 4, 2026-6pm CDT Aug 10, 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