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.

A Few Clouds

84°F

29°C

Humidity 63%
Wind Speed SE 7 mph
Barometer 29.90 in (1011.4 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 3 Sep 6:53 pm CDT
Extended Forecast for

Chicago IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. Southeast wind around 5 mph becoming west southwest after midnight. Winds could gust as high as 10 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north northeast in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming east in the evening.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 3am. Mostly clear, with a low around 74. Southeast wind around 5 mph becoming west southwest after midnight. Winds could gust as high as 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 91. Heat index values as high as 98. West wind around 5 mph becoming north northeast in the morning. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming east in the evening.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 80. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 68. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 71.
Thursday
Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chicago IL
 41.84°N 87.68°W
Last Update:
5:51 pm CDT Sep 3, 2026
Forecast Valid:
7pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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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