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

44°F

7°C

Humidity 53%
Wind Speed SW 8 mph
Barometer 30.29 in (1026.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 29 Mar 2:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. South southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Partly sunny, with a high near 64. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 62. South southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 77. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 38. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A chance of rain showers before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35.
Thursday
Rain and snow showers likely, becoming all rain after 1pm. Mostly cloudy, with a high near 48.
Thursday Night
Showers likely. Cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 59.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46.
Saturday
Showers likely. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
1:21 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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