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.

Mostly Cloudy

68°F

20°C

Humidity 65%
Wind Speed E 9 mph
Barometer 30.33 in (1026.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 11:52 am CDT
Extended Forecast for

Saint Charles IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. Northeast wind around 10 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Mostly cloudy, with a high near 63. East northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. East northeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 72.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Northeast wind around 10 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 54. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 63. East northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 52. East northeast wind around 5 mph, with gusts as high as 10 mph.
Thursday
Mostly sunny, with a high near 70. Southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Partly sunny, with a high near 76.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 60.
Saturday
A chance of showers. Partly sunny, with a high near 72.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 46.
Sunday
A chance of showers. Mostly sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
9:36 am CDT Oct 14, 2025
Forecast Valid:
12pm CDT Oct 14, 2025-6pm CDT Oct 20, 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