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

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

73°F

23°C

Humidity 62%
Wind Speed N 8 mph
Barometer 30.02 in (1016.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 29 Jul 9:52 am CDT
Extended Forecast for

Naperville IL

  • Today

    Today: Sunny, with a high near 82. North northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming calm.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 75 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. North northeast wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly clear, with a low around 63. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 66. West southwest wind around 5 mph becoming calm.
Friday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 64. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Naperville IL
 41.77°N 88.15°W
Last Update:
9:17 am CDT Jul 29, 2026
Forecast Valid:
10am CDT Jul 29, 2026-6pm CDT Aug 4, 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