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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fog/Mist

57°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 30.06 in (1017.6 mb)
Dewpoint 54°F (12°C)
Visibility 5.00 mi
Last update 18 Sep 6:52 am CDT
Extended Forecast for

Carol Stream IL

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. East northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. East wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 62.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Carol Stream IL
 41.92°N 88.14°W
Last Update:
4:11 am CDT Sep 18, 2025
Forecast Valid:
7am CDT Sep 18, 2025-6pm CDT Sep 24, 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