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

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Fog/Mist

63°F

17°C

Humidity 97%
Wind Speed SW 8 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 62°F (17°C)
Visibility 5.00 mi
Last update 25 Jun 2:51 am CDT
Extended Forecast for

Oak Brook IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 63. West southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 63 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. North northwest wind around 5 mph becoming east northeast in the evening. Winds could gust as high as 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 63. West southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 79. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 59. North northwest wind around 5 mph becoming east northeast in the evening. Winds could gust as high as 10 mph.
Friday
A 30 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 72. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 75.
Monday
Mostly sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Sunny and hot, with a high near 96.
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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:
3:01 am CDT Jun 25, 2026
Forecast Valid:
3am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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Additional Resources

Radar & Satellite Image

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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