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

37°F

3°C

Humidity 76%
Wind Speed SW 10 mph
Barometer 29.95 in (1014.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 8 Mar 1:53 am CDT
Extended Forecast for

Westchester IL

  • Overnight

    Overnight: Cloudy, then gradually becoming partly cloudy, with a low around 34. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Showers and thunderstorms likely after noon. Mostly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Mostly Sunny
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.

    Low: 43 °F

    Showers

  • Wednesday

    Wednesday: Rain showers before noon, then rain and snow showers likely. Cloudy, with a high near 51. Breezy.

    High: 51 °F

    Breezy.
    Showers then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of snow before midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow
    then Mostly
    Clear

Detailed Forecast

Overnight
Cloudy, then gradually becoming partly cloudy, 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 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 48. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 70. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 51. South southwest wind around 10 mph, with gusts as high as 15 mph.
Tuesday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 43. Chance of precipitation is 100%.
Wednesday
Rain showers before noon, then rain and snow showers likely. Cloudy, with a high near 51. Breezy.
Wednesday Night
A chance of snow before midnight. Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 53. Breezy.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
A chance of snow. Mostly cloudy, with a high near 42.
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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:
1:36 am CST Mar 8, 2026
Forecast Valid:
1am CST Mar 8, 2026-6pm CDT Mar 14, 2026
 
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Additional Resources

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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