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.

Mostly Cloudy

81°F

27°C

Humidity 42%
Wind Speed Vrbl 5 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 8 Sep 1:51 pm CDT
Extended Forecast for

Oak Brook IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 86. Southwest wind around 10 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 15 mph.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 80. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. West wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. North wind around 5 mph, with gusts as high as 10 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. Southwest wind around 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 71. South wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Showers and thunderstorms likely, mainly before 10am. Mostly cloudy, with a high near 80. West southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 67. West wind around 5 mph.
Thursday
Mostly sunny, with a high near 79. North wind around 5 mph, with gusts as high as 10 mph.
Thursday Night
Mostly clear, with a low around 58.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 65.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 66.
Sunday
A chance of showers. Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64.
Monday
A chance of showers. Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oak Brook IL
 41.85°N 87.94°W
Last Update:
1:35 pm CDT Sep 8, 2026
Forecast Valid:
2pm CDT Sep 8, 2026-6pm CDT Sep 14, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation