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

51°F

11°C

Humidity 35%
Wind Speed W 17 G 26 mph
Barometer 30.16 in (1021.8 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 5 Apr 4:52 pm CDT
Extended Forecast for

Saint Charles IL

  • Tonight

    Tonight: Showers likely between 11pm and 2am. Mostly cloudy, with a low around 36. West wind 5 to 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: 36 °F

    Isolated
    Showers then
    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Breezy.

    High: 65 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely between 11pm and 2am. Mostly cloudy, with a low around 36. West wind 5 to 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.
Monday
Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 25. North northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 42. Northeast wind around 5 mph becoming east southeast in the afternoon. Winds could gust as high as 10 mph.
Tuesday Night
Mostly cloudy, with a low around 32. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 65. Breezy.
Wednesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Partly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52.
Sunday
A chance of showers. Mostly cloudy, with a high near 74.
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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:
3:46 pm CDT Apr 5, 2026
Forecast Valid:
5pm CDT Apr 5, 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