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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Fair

73°F

23°C

Humidity 59%
Wind Speed Calm
Barometer 30.09 in (1018.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 30 Jul 8:52 am CDT
Extended Forecast for

2 Miles SE Saint Charles IL

  • Today

    Today: Mostly sunny, with a high near 85. South southwest wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain after 1am. Some of the storms could produce heavy rainfall. Low around 66. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    Low: 66 °F

    Heavy Rain

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 85. South southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 63. South southwest wind around 5 mph becoming calm in the evening.
Friday
A chance of showers, with thunderstorms also possible after 4pm. Increasing clouds, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Friday Night
Showers likely and possibly a thunderstorm before 7pm, then rain and possibly a thunderstorm between 7pm and 1am, then rain after 1am. Some of the storms could produce heavy rainfall. Low around 66. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 74. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Saint Charles IL
 41.9°N 88.26°W
Last Update:
3:36 am CDT Jul 30, 2026
Forecast Valid:
9am CDT Jul 30, 2026-6pm CDT Aug 5, 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