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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

76°F

24°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.01 in (1015.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 5 Aug 12:51 am CDT
Extended Forecast for

Oak Brook IL

  • Overnight

    Overnight: Isolated showers, then scattered showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.

    Low: 70 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 80 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 5am. Cloudy, with a low around 67. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 79 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers, then scattered showers and thunderstorms after 3am. Mostly cloudy, with a low around 70. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 40%.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms, mainly between 10pm and 5am. Cloudy, with a low around 67. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 10 percent chance of showers before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 65. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 84.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms. 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:
1:20 am CDT Aug 5, 2026
Forecast Valid:
1am CDT Aug 5, 2026-6pm CDT Aug 11, 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