National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fog/Mist

23°F

-5°C

Humidity 92%
Wind Speed Calm
Barometer 29.81 in (1010.0 mb)
Dewpoint 21°F (-6°C)
Visibility 3.00 mi
Last update 6 Feb 2:54 am CST
Extended Forecast for

Kane IL

  • Overnight

    Overnight: Partly cloudy, with a low around 29. West wind 7 to 10 mph.

    Low: 29 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 44. West wind 10 to 18 mph becoming northwest in the morning. Winds could gust as high as 29 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. North wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 25. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 29. West wind 7 to 10 mph.
Friday
Increasing clouds, with a high near 44. West wind 10 to 18 mph becoming northwest in the morning. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 20. North wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 34. Northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 25. Southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 62.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 43. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kane IL
 39.2°N 90.38°W (Elev. 551 ft)
Last Update:
12:26 am CST Feb 6, 2026
Forecast Valid:
3am CST Feb 6, 2026-6pm CST Feb 12, 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