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.

Mostly Cloudy

22°F

-6°C

Humidity 52%
Wind Speed NW 8 mph
Barometer 29.99 in (1017.2 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 2 Jan 5:53 pm CST
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 19. Northwest wind around 5 mph.

    Low: 19 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 30. North northwest wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph.

    High: 30 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17. Northwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 17 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 19. Northwest wind around 5 mph.
Saturday
Mostly cloudy, with a high near 30. North northwest wind around 5 mph becoming west in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Partly cloudy, with a low around 17. Northwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
Increasing clouds, with a high near 30. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 26. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
A chance of rain. Mostly cloudy, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
5:56 pm CST Jan 2, 2026
Forecast Valid:
6pm CST Jan 2, 2026-6pm CST Jan 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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