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.

Partly Cloudy

53°F

12°C

Humidity 48%
Wind Speed E 12 mph
Barometer 30.06 in (1018.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 19 Mar 3:53 pm CDT
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Increasing clouds, with a low around 42. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 62. West southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. North wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.

    High: 63 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 42. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 62. West southwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 40. North wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Saturday
Mostly sunny, with a high near 64. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 50. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly cloudy, with a high near 54.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 62.
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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:
4:11 pm CDT Mar 19, 2026
Forecast Valid:
4pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation