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

72°F

22°C

Humidity 71%
Wind Speed SW 5 mph
Barometer 30.08 in (1017.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 Sep 8:53 am CDT
Extended Forecast for

Chicago ILSimilar City Names

  • Today

    Today: Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79. South southeast wind around 5 mph. Chance of precipitation is 50%.

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 77. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 79. South southeast wind around 5 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 77. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 40%.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A chance of showers. Mostly cloudy, with a high near 70.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 61.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59.
Friday
A chance of showers. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
Chicago ILSimilar City Names
 41.84°N 87.68°W
Last Update:
8:26 am CDT Sep 20, 2025
Forecast Valid:
9am CDT Sep 20, 2025-6pm CDT Sep 26, 2025
 
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Additional Resources

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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