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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

30°F

-1°C

Humidity 75%
Wind Speed W 12 mph
Barometer 29.56 in (1001.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 25 Feb 12:52 am CST
Extended Forecast for

Carol Stream IL

  • Overnight

    Overnight: Mostly clear, with a low around 25. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. West northwest wind 5 to 10 mph becoming light and variable after midnight.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Light and variable wind becoming southwest 10 to 15 mph in the morning.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southwest wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 20. West northwest wind 5 to 10 mph becoming light and variable after midnight.
Thursday
Mostly sunny, with a high near 42. Light and variable wind becoming southwest 10 to 15 mph in the morning.
Thursday Night
Mostly clear, with a low around 29. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carol Stream IL
 41.92°N 88.14°W
Last Update:
12:20 am CST Feb 25, 2026
Forecast Valid:
1am CST Feb 25, 2026-6pm CST Mar 3, 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