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.

Partly Cloudy

27°F

-3°C

Humidity 55%
Wind Speed NE 12 mph
Barometer 30.35 in (1029.2 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 1 Mar 3:53 am CST
Extended Forecast for

Westchester IL

  • Today

    Today: Partly sunny, with a high near 32. East northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 32 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. East northeast wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers. High near 43. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.

    High: 43 °F

    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.

    High: 47 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers. Cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 32. East northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 26. East northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 44. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 36. Southeast wind around 5 mph, with gusts as high as 10 mph.
Tuesday
Showers. High near 43. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 80%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Cloudy, with a low around 42.
Thursday
A chance of showers. Mostly cloudy, with a high near 54.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
Showers likely. Mostly cloudy, with a high near 65.
Friday Night
Showers likely. Mostly cloudy, with a low around 46.
Saturday
A chance of showers. Mostly cloudy, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
2:46 am CST Mar 1, 2026
Forecast Valid:
4am CST Mar 1, 2026-6pm CST Mar 7, 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