National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

77°F

25°C

Humidity 43%
Wind Speed E 9 G 16 mph
Barometer 30.18 in (1021.2 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Sep 10:53 am CDT
Extended Forecast for

Westchester IL

  • Labor Day

    Labor Day: Sunny, with a high near 80. East wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 87 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 80. East wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 65. East wind around 5 mph.
Tuesday
Partly sunny, with a high near 87. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. High near 84. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
9:11 am CDT Sep 7, 2026
Forecast Valid:
11am CDT Sep 7, 2026-6pm CDT Sep 13, 2026
 
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Additional Resources

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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