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

40°F

4°C

Humidity 77%
Wind Speed W 14 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Mar 10:53 pm CDT
Extended Forecast for

Westchester IL

  • Tonight

    Tonight: Cloudy early, then gradual clearing, with a low around 34. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before noon. Cloudy, with a high near 48. Breezy.

    High: 48 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy early, then gradual clearing, with a low around 34. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 61. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 47. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 69. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 49. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.
Tuesday Night
Showers and possibly a thunderstorm. Low around 42. Chance of precipitation is 90%.
Wednesday
Showers, mainly before noon. Cloudy, with a high near 48. Breezy.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 37.
Friday
Mostly cloudy, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly cloudy, with a high near 44.
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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:
10:11 pm CST Mar 7, 2026
Forecast Valid:
10pm CST Mar 7, 2026-6pm CDT Mar 14, 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