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

87°F

31°C

Humidity 37%
Wind Speed SW 6 mph
Barometer 30.18 in (1020.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Oct 12:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Southwest wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South southwest wind 5 to 15 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 1pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 68. South wind around 5 mph.
Saturday
Sunny, with a high near 88. South southwest wind 5 to 15 mph.
Saturday Night
Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 85. South wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 66.
Monday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers before 1pm. Mostly cloudy, with a high near 70.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
12:56 pm CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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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