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.

Partly Cloudy

73°F

23°C

Humidity 79%
Wind Speed NE 10 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 8:51 pm CDT
Extended Forecast for

Oak Brook IL

  • Tonight

    Tonight: Increasing clouds, with a low around 69. East wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Monday

    Monday: A slight chance of showers before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southeast wind around 10 mph. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. North northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 69. East wind around 5 mph, with gusts as high as 10 mph.
Monday
A slight chance of showers before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southeast wind around 10 mph. Chance of precipitation is 40%.
Monday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Heat index values as high as 95. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 69. North northeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Brook IL
 41.85°N 87.94°W
Last Update:
9:41 pm CDT Aug 17, 2025
Forecast Valid:
10pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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