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.

Partly Cloudy

68°F

20°C

Humidity 84%
Wind Speed NW 10 mph
Barometer 29.94 in (1013.0 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Aug 7:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. North wind 5 to 10 mph becoming west after midnight.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. West northwest wind around 5 mph becoming northeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 63. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 76. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 60. North wind 5 to 10 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 76. West northwest wind around 5 mph becoming northeast in the afternoon.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Wednesday Night
A chance of showers before 1am. Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 80.
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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:
2:46 am CDT Aug 22, 2026
Forecast Valid:
8am CDT Aug 22, 2026-6pm CDT Aug 28, 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