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

27°F

-3°C

Humidity 81%
Wind Speed W 8 mph
Barometer 29.76 in (1008.8 mb)
Dewpoint 22°F (-6°C)
Visibility 9.00 mi
Wind Chill19°F (-7°C)
Last update 6 Dec 12:52 am CST
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: A 20 percent chance of snow before 2am. Cloudy, with a steady temperature around 26. West northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 26. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.

    High: 26 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after midnight. Low around 21. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Slight Chance
    Snow then
    Snow

  • Sunday

    Sunday: Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 25. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 9. North wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 9 °F

    Slight Chance
    Snow Showers

  • Monday

    Monday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow, becoming all rain after midnight. Cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Overnight
A 20 percent chance of snow before 2am. Cloudy, with a steady temperature around 26. West northwest wind around 10 mph, with gusts as high as 15 mph.
Saturday
Mostly cloudy, with a high near 26. West northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Snow, mainly after midnight. Low around 21. Light and variable wind becoming north northeast 5 to 10 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow likely, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 25. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 9. North wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly cloudy, with a high near 22.
Monday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 35.
Tuesday Night
Rain likely, possibly mixed with snow, becoming all rain after midnight. Cloudy, with a low around 31.
Wednesday
A chance of rain and snow showers before noon, then a chance of snow showers. Mostly cloudy, with a high near 36.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 10.
Friday
Partly sunny, with a high near 18.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.92°N 88.29°W
Last Update:
12:15 am CST Dec 6, 2025
Forecast Valid:
1am CST Dec 6, 2025-6pm CST Dec 12, 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