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.

A Few Clouds

48°F

9°C

Humidity 50%
Wind Speed W 14 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Feb 11:53 pm CST
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: Mostly clear, with a low around 31. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 36. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 31. North northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 31 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.

    Low: 34 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Cloudy, with a high near 44.

    High: 44 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 31. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
A 30 percent chance of snow, mainly before 3pm. Mostly cloudy, with a high near 36. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 25. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 31. North northeast wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 23. East northeast wind around 5 mph, with gusts as high as 10 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
Rain likely, mainly after midnight. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Tuesday
Rain likely, mainly before noon. Cloudy, with a high near 44.
Tuesday Night
A chance of rain before midnight. Mostly cloudy, with a low around 34.
Wednesday
A chance of rain after noon. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 40.
Thursday
Rain likely. Cloudy, with a high near 54.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 42.
Friday
A chance of rain. Cloudy, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
12:01 am CST Feb 28, 2026
Forecast Valid:
12am CST Feb 28, 2026-6pm CST Mar 6, 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