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

Hazardous Weather Conditions

Current conditions at

Chicago, Chicago-O'Hare International Airport (KORD)

Lat: 41.98°NLon: 87.9°WElev: 666ft.

A Few Clouds

80°F

27°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Sep 2:51 am CDT
Extended Forecast for

Oakbrook Terrace IL

Heat Advisory September 3, 03:49am until September 3, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 03:49am until September 3, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Overnight

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 101. East southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.

    High: 92 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming northeast after midnight.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 104. Southwest wind 5 to 10 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. East southeast wind 5 to 10 mph becoming south southwest after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Heat index values as high as 101. East southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming northeast after midnight.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
A chance of showers. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oakbrook Terrace IL
 41.85°N 87.97°W
Last Update:
2:56 am CDT Sep 3, 2026
Forecast Valid:
3am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation