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.

Fair

80°F

27°C

Humidity 47%
Wind Speed Vrbl 3 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 Sep 10:52 am CDT
Extended Forecast for

West Dundee IL

  • Today

    Today: Sunny, with a high near 85. East southeast wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 40%.

    Low: 62 °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 80. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 7am. 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 62.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. East southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 62. Northeast wind around 5 mph, with gusts as high as 10 mph.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 84. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 40%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 80. South wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 7am. 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 62.
Monday
A chance of showers. Partly sunny, with a high near 78.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A chance of showers. Partly sunny, with a high near 76.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Dundee IL
 42.1°N 88.31°W
Last Update:
4:11 am CDT Sep 18, 2025
Forecast Valid:
11am 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