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Areas of Excessive Rainfall and Extreme Heat; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding Tuesday. Hot to extremely hot temperatures are in place through Tuesday across much of the western U.S. and northern New England. Tropical Storm Erin is forecast to become a Major Hurricane by this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

72°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.01 in (1015.6 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 11 Aug 11:52 pm CDT
Extended Forecast for

Wheaton IL

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 72. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    T-storms
    Likely

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. West southwest wind 5 to 10 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 83. North northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 72. West wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. West southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 83. North northwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday Night
Mostly clear, with a low around 64. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 72.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wheaton IL
 41.87°N 88.12°W
Last Update:
8:41 pm CDT Aug 11, 2025
Forecast Valid:
12am CDT Aug 12, 2025-6pm CDT Aug 18, 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