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

39°F

4°C

Humidity 48%
Wind Speed NW 7 mph
Barometer 30.40 in (1030.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 27 Mar 12:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 41. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75.

    High: 75 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 41. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 27. North northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 49. North northwest wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 40. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 62. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 74.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 38.
Wednesday
A chance of showers. Mostly cloudy, with a high near 46.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow showers. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
1:21 pm CDT Mar 27, 2026
Forecast Valid:
1pm CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation