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.

Overcast

51°F

11°C

Humidity 64%
Wind Speed NE 13 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 May 9:51 pm CDT
Extended Forecast for

Oak Brook IL

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 53. East northeast wind around 10 mph.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 67. East northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 67 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 53. East northeast wind 10 to 15 mph.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 72. North northeast wind 5 to 10 mph.

    High: 72 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 54 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 53. East northeast wind around 10 mph.
Friday
Mostly cloudy, with a high near 67. East northeast wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 53. East northeast wind 10 to 15 mph.
Saturday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 72. North northeast wind 5 to 10 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Sunday
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 57.
Memorial Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers. Partly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Brook IL
 41.85°N 87.94°W
Last Update:
4:06 pm CDT May 21, 2026
Forecast Valid:
10pm CDT May 21, 2026-6pm CDT May 28, 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