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.

Fog/Mist

16°F

-9°C

Humidity 100%
Wind Speed W 6 mph
Barometer 29.96 in (1015.9 mb)
Dewpoint 16°F (-9°C)
Visibility 1.75 mi
Wind Chill7°F (-14°C)
Last update 2 Dec 2:52 am CST
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: Areas of freezing fog. Mostly cloudy, with a low around 16. West northwest wind around 5 mph.

    Low: 16 °F

    Areas
    Freezing Fog

  • Tuesday

    Tuesday: Patchy freezing fog before 8am. Mostly cloudy, with a high near 22. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 22 °F

    Patchy
    Freezing Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 22 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 19 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 32. South southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -1. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -3.

    Low: -3 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of freezing fog. Mostly cloudy, with a low around 16. West northwest wind around 5 mph.
Tuesday
Patchy freezing fog before 8am. Mostly cloudy, with a high near 22. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a temperature rising to around 22 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 32. South southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -1. North northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around -3.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 26.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12.
Sunday
A chance of snow. Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 8.
Monday
Mostly cloudy, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles IL
 41.93°N 88.32°W
Last Update:
3:11 am CST Dec 2, 2025
Forecast Valid:
3am CST Dec 2, 2025-6pm CST Dec 8, 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