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

76°F

24°C

Humidity 82%
Wind Speed E 5 mph
Barometer 30.06 in (1016.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 18 Aug 2:53 am CDT
Extended Forecast for

Chicago IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 73. East southeast wind around 10 mph, with gusts as high as 15 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 71. North wind 5 to 10 mph.

    Low: 71 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

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

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 73. East southeast wind around 10 mph, with gusts as high as 15 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Partly sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 73. South southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 71. North wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 75.
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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:
2:56 am CDT Aug 18, 2025
Forecast Valid:
3am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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