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

Hazardous Weather Conditions

Current conditions at

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Overcast

71°F

22°C

Humidity 79%
Wind Speed N 13 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 Jul 12:52 pm CDT
Extended Forecast for

Saint Charles IL

  • This Afternoon

    This Afternoon: Patchy drizzle before 2pm. Mostly cloudy, with a high near 74. North northeast wind around 10 mph.

    High: 74 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Northeast wind around 5 mph becoming south southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. East wind around 5 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely. Mostly cloudy, with a high near 85. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.

    High: 85 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Patchy drizzle before 2pm. Mostly cloudy, with a high near 74. North northeast wind around 10 mph.
Tonight
Partly cloudy, with a low around 58. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 83. Northeast wind around 5 mph becoming south southeast in the afternoon. Winds could gust as high as 10 mph.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. East wind around 5 mph.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 85. South wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 93.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
12:41 pm CDT Jul 17, 2025
Forecast Valid:
12pm CDT Jul 17, 2025-6pm CDT Jul 23, 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