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

74°F

23°C

Humidity 62%
Wind Speed NE 10 mph
Barometer 30.02 in (1016.1 mb)
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 12 Jun 4:52 pm CDT
Extended Forecast for

Saint Charles IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 62 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming northeast after midnight.

    Low: 64 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. East northeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 62. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 79. East wind 5 to 10 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph becoming northeast after midnight.
Saturday
Partly sunny, with a high near 82. East northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61. East northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Tuesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Juneteenth
A chance of showers. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.9°N 88.32°W
Last Update:
2:26 pm CDT Jun 12, 2025
Forecast Valid:
5pm CDT Jun 12, 2025-6pm CDT Jun 19, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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