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.

Fair

4°F

-16°C

Humidity 80%
Wind Speed Calm
Barometer 30.10 in (1020.9 mb)
Dewpoint -1°F (-18°C)
Visibility 10.00 mi
Last update 5 Dec 1:52 am CST
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: Patchy freezing fog. Mostly cloudy, with a low around -1. Wind chill values as low as -15. South southwest wind around 10 mph.

    Low: -1 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: Partly sunny, with a high near 26. Wind chill values as low as -9. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a low around 23. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 25. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 25 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after midnight. Low around 16. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%.

    Low: 16 °F

    Slight Chance
    Snow then
    Snow

  • Sunday

    Sunday: Snow likely before noon. Partly sunny, with a high near 25. Chance of precipitation is 60%.

    High: 25 °F

    Snow Likely
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy freezing fog. Mostly cloudy, with a low around -1. Wind chill values as low as -15. South southwest wind around 10 mph.
Friday
Partly sunny, with a high near 26. Wind chill values as low as -9. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Patchy snow and freezing rain between 9pm and 3am. Mostly cloudy, with a low around 23. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 25. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
Snow, mainly after midnight. Low around 16. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%.
Sunday
Snow likely before noon. Partly sunny, with a high near 25. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 5.
Monday
Partly sunny, with a high near 20.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
Snow likely. Cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Cloudy, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.92°N 88.29°W
Last Update:
1:50 am CST Dec 5, 2025
Forecast Valid:
2am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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