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.

Fair

43°F

6°C

Humidity 74%
Wind Speed E 7 mph
Barometer 30.39 in (1029.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Apr 9:53 pm CDT
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Partly cloudy, with a low around 37. East northeast wind around 5 mph becoming calm after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 54. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a temperature rising to around 55 by 4am. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 52 °F⇑

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

    High: 76 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely and
    Breezy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. East northeast wind around 5 mph becoming calm after midnight.
Saturday
Increasing clouds, with a high near 54. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a temperature rising to around 55 by 4am. East southeast wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 62. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers. Partly sunny, with a high near 76.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Thursday
A chance of showers. Partly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 57.
Friday
A chance of showers. Mostly sunny, with a high near 75.
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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:
9:41 pm CDT Apr 10, 2026
Forecast Valid:
10pm CDT Apr 10, 2026-6pm CDT Apr 17, 2026
 
Forecast Discussion
 
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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