Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

A Few Clouds

78°F

26°C

Humidity 52%
Wind Speed N 8 mph
Barometer 30.02 in (1015.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 27 Aug 10:53 am CDT
Extended Forecast for

Clarendon Hills IL

  • Today

    Today: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 82. North wind around 5 mph, with gusts as high as 10 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 63. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers after 1am.  Mostly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82. North wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly clear, with a low around 63. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 81. South wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 73.
Monday
Mostly sunny, with a high near 88.
Monday Night
A chance of showers after 1am. Partly cloudy, with a low around 73.
Tuesday
A chance of showers. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Clarendon Hills IL
 41.8°N 87.94°W
9:31 am CDT Aug 27, 2026
11am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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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