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

71°F

22°C

Humidity 30%
Wind Speed W 9 G 17 mph
Barometer 30.07 in (1017.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 8 Oct 1:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. West northwest wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Scattered showers before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Mostly cloudy, with a high near 72. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 61. East southeast wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 71. West northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 53. North northwest wind around 5 mph becoming calm.
Friday
Scattered showers before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then scattered showers and thunderstorms after 5pm. Mostly cloudy, with a high near 72. Light southeast wind becoming south southeast 5 to 10 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 61. East southeast wind around 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Saturday
Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 58.
Columbus Day
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A chance of showers. Partly sunny, with a high near 67.
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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:
1:56 pm CDT Oct 8, 2026
Forecast Valid:
2pm CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation