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

49°F

9°C

Humidity 55%
Wind Speed W 14 G 24 mph
Barometer 30.23 in (1024.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 6 Apr 1:52 pm CDT
Extended Forecast for

Saint Charles IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 48. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 41. Northeast wind around 10 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers and sleet between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 31. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Partly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 48. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 26. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 41. Northeast wind around 10 mph.
Tuesday Night
A slight chance of snow showers and sleet between 1am and 4am, then a slight chance of rain showers after 4am. Increasing clouds, with a low around 31. South southeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. Breezy.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Mostly cloudy, with a high near 59.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly cloudy, with a high near 77. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
1:21 pm CDT Apr 6, 2026
Forecast Valid:
2pm CDT Apr 6, 2026-6pm CDT Apr 12, 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