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.

Overcast

20°F

-7°C

Humidity 81%
Wind Speed SW 8 mph
Barometer 30.01 in (1018.1 mb)
Dewpoint 15°F (-9°C)
Visibility 7.00 mi
Wind Chill10°F (-12°C)
Last update 2 Dec 5:53 pm CST
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F⇑

    Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow showers, mainly before 3pm. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 32 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 5. Wind chill values as low as -9. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 5 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 17. Wind chill values as low as -9. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 17 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 1. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 1 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 40 percent chance of snow showers, mainly before 3pm. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 5. Wind chill values as low as -9. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 17. Wind chill values as low as -9. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 1. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 24.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Saturday
Mostly cloudy, with a high near 28.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18.
Sunday
A chance of snow. Mostly cloudy, with a high near 28.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 16.
Monday
Mostly cloudy, with a high near 26.
Monday Night
A chance of snow. Cloudy, with a low around 20.
Tuesday
A chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
4:36 pm CST Dec 2, 2025
Forecast Valid:
6pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation