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.

Fair

48°F

9°C

Humidity 86%
Wind Speed SE 5 mph
Barometer 30.30 in (1026.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 10 Oct 12:52 am CDT
Extended Forecast for

Saint Charles IL

  • Overnight

    Overnight: Mostly clear, with a low around 44. South wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Isolated showers between 9am and 4pm, then isolated sprinkles after 4pm. Partly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 63 °F

    Isolated
    Showers

  • Friday Night

    Friday Night: Isolated sprinkles before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 43. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Northeast wind around 5 mph, with gusts as high as 10 mph.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 44. South wind around 5 mph.
Friday
Isolated showers between 9am and 4pm, then isolated sprinkles after 4pm. Partly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday Night
Isolated sprinkles before 7pm, then a slight chance of showers between 7pm and 10pm. Partly cloudy, with a low around 43. West wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 67. Northeast wind around 5 mph, with gusts as high as 10 mph.
Saturday Night
Mostly clear, with a low around 46. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 53.
Columbus Day
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Mostly sunny, with a high near 68.
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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:
12:35 am CDT Oct 10, 2025
Forecast Valid:
1am CDT Oct 10, 2025-6pm CDT Oct 16, 2025
 
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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