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Monsoons Return to the Southwest U.S.; Potential Atlantic Tropical System Interaction

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding Thursday into Sunday. The close proximity of Tropical Storm Humberto and a tropical wave (AL94) could lead to interaction between them, and details of their long-range track and intensity forecasts, and any potential impacts, are more uncertain than usual. Read More >

Hazardous Weather Conditions

Current conditions at

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

Lat: 41.98°NLon: 87.9°WElev: 666ft.

Mostly Cloudy

65°F

18°C

Humidity 81%
Wind Speed NE 10 mph
Barometer 30.01 in (1016.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Sep 7:51 pm CDT
Extended Forecast for

Oak Brook IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. North northwest wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. North northwest wind 5 to 10 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. North northwest wind around 5 mph becoming west southwest in the evening.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. West southwest wind around 5 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. North northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 74. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 56. North northwest wind around 5 mph becoming west southwest in the evening.
Friday
Sunny, with a high near 80. West southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 59. South southwest wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Brook IL
 41.85°N 87.94°W
Last Update:
7:26 pm CDT Sep 24, 2025
Forecast Valid:
8pm CDT Sep 24, 2025-6pm CDT Oct 1, 2025
 
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