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

30°F

-1°C

Humidity 72%
Wind Speed S 14 G 28 mph
Barometer 30.04 in (1018.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Mar 10:53 am CDT
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 44. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 44 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am. Increasing clouds, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 51. North northeast wind around 5 mph becoming southeast in the afternoon.

    High: 51 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 44. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers, mainly after 4am. Increasing clouds, with a low around 34. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 30 percent chance of showers, mainly before 9am. Partly sunny, with a high near 51. North northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Friday
Mostly cloudy, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Mostly cloudy, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
11:16 am CDT Mar 18, 2026
Forecast Valid:
11am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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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