Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Overcast

71°F

22°C

Humidity 73%
Wind Speed NE 9 mph
Barometer 30.31 in (1026.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Sep 9:52 am CDT
Extended Forecast for

Naperville IL

  • Today

    Today: Scattered showers, mainly after 2pm.  Mostly cloudy, with a high near 71. Northeast wind around 10 mph.  Chance of precipitation is 40%.

    High: 71 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers, then scattered showers and thunderstorms after 10pm.  Mostly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming light northeast  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 50%.

    Low: 66 °F

    Scattered
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 10am.  Mostly cloudy, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 64. Northeast wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 77 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 74.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 71. Northeast wind around 10 mph. Chance of precipitation is 40%.
Tonight
Isolated showers, then scattered showers and thunderstorms after 10pm. Mostly cloudy, with a low around 66. East northeast wind 5 to 10 mph becoming light northeast in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Thursday
A 40 percent chance of showers, mainly before 10am. Mostly cloudy, with a high near 77. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 64. Northeast wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 64.
Sunday
A chance of showers. Mostly cloudy, with a high near 74.
Sunday Night
Showers likely, mainly after 1am. Cloudy, with a low around 61.
Monday
A chance of showers. Mostly cloudy, with a high near 73.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A chance of showers. Partly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Naperville IL
 41.77°N 88.15°W
9:31 am CDT Sep 16, 2026
10am CDT Sep 16, 2026-6pm CDT Sep 22, 2026
 
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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