National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Mostly Cloudy

86°F

30°C

Humidity 61%
Wind Speed Vrbl 7 mph
Barometer 29.83 in (1009.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 9 Jul 4:53 pm CDT
Extended Forecast for

Westchester IL

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    High: 86 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly between 9pm and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. West wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 50%.

    Low: 69 °F

    Scattered
    Showers and
    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 82. North northeast wind 5 to 10 mph.

    High: 82 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms, mainly between 9pm and 1am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 69. West wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 50%.
Friday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 82. North northeast wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 66. North northeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 70.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westchester IL
 41.84°N 87.88°W
Last Update:
5:26 pm CDT Jul 9, 2026
Forecast Valid:
5pm CDT Jul 9, 2026-6pm CDT Jul 16, 2026
 
Forecast Discussion
 
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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