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

73°F

23°C

Humidity 90%
Wind Speed S 7 mph
Barometer 29.81 in (1008.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 12 Aug 7:53 am CDT
Extended Forecast for

Chicago IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 15 mph.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. North wind around 5 mph becoming east southeast after midnight.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. East wind around 5 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: Partly sunny, with a high near 78. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 15 mph.
Tonight
Mostly cloudy, with a low around 70. North wind around 5 mph becoming east southeast after midnight.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. East wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 78. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
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:
8:06 am CDT Aug 12, 2026
Forecast Valid:
8am CDT Aug 12, 2026-6pm CDT Aug 18, 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