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.

Fair

80°F

27°C

Humidity 79%
Wind Speed W 12 mph
Barometer 29.88 in (1010.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Jul 3:53 am CDT
Extended Forecast for

Clarendon Hills IL

  • Overnight

    Overnight: Partly cloudy, with a low around 76. West southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. West wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy smoke after 9pm. Mostly clear, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 67 °F

    Patchy Smoke

  • Sunday

    Sunday: Patchy smoke. Sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Patchy Smoke

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. East wind around 5 mph becoming south after midnight.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. West southwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly between noon and 5pm. Mostly sunny, with a high near 90. Heat index values as high as 99. West wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Patchy smoke after 9pm. Mostly clear, with a low around 67. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Patchy smoke. Sunny, with a high near 82. East northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 66. East wind around 5 mph becoming south after midnight.
Monday
Mostly sunny, with a high near 87.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clarendon Hills IL
 41.8°N 87.94°W
Last Update:
3:55 am CDT Jul 18, 2026
Forecast Valid:
3am CDT Jul 18, 2026-6pm CDT Jul 24, 2026
 
Forecast Discussion
 
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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