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.

Overcast

43°F

6°C

Humidity 93%
Wind Speed N 9 mph
Barometer 29.84 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Nov 2:52 am CST
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a steady temperature around 40. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers between 11am and 3pm. Partly sunny, with a high near 42. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 42 °F

    Slight Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. North wind around 15 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 10am, then a chance of rain showers after 10am. Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a steady temperature around 40. North wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers between 11am and 3pm. Partly sunny, with a high near 42. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 30. North wind around 15 mph, with gusts as high as 30 mph.
Friday
A chance of snow showers before 9am, then a chance of rain and snow showers between 9am and 10am, then a chance of rain showers after 10am. Partly sunny, with a high near 42. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Clear, with a low around 29.
Wednesday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
1:16 am CST Nov 12, 2026
Forecast Valid:
3am CST Nov 12, 2026-6pm CST Nov 18, 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