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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Chicago, Chicago Midway Airport (KMDW)

Lat: 41.78°NLon: 87.76°WElev: 617ft.

Overcast

44°F

7°C

Humidity 68%
Wind Speed N 9 mph
Barometer 29.99 in (1015.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Nov 9:53 pm CST
Extended Forecast for

Oak Brook IL

  • Tonight

    Tonight: Cloudy early, then gradual clearing, with a low around 34. North wind around 5 mph.

    Low: 34 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 51 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. West northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 10 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. South wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 54.

    High: 54 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy early, then gradual clearing, with a low around 34. North wind around 5 mph.
Saturday
Mostly sunny, with a high near 51. Light and variable wind becoming south southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 36. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 53. West northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
Mostly clear, with a low around 36. South wind around 5 mph.
Monday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 54.
Monday Night
Rain. Low around 47. Chance of precipitation is 90%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 26.
Thanksgiving Day
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oak Brook IL
 41.82°N 87.94°W
Last Update:
7:31 pm CST Nov 21, 2025
Forecast Valid:
10pm CST Nov 21, 2025-6pm CST Nov 28, 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