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

51°F

11°C

Humidity 96%
Wind Speed Calm
Barometer 29.79 in (1008.7 mb)
Dewpoint 50°F (10°C)
Visibility 2.00 mi
Last update 25 Nov 3:54 am CST
Extended Forecast for

Kane IL

  • Overnight

    Overnight: Isolated showers. Patchy fog. Otherwise, cloudy, with a low around 50. Light south wind. Chance of precipitation is 20%.

    Low: 50 °F

    Isolated
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Isolated showers before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 57. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 57 °F

    Isolated
    Showers and
    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: Scattered showers, mainly between 7pm and 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Scattered
    Showers then
    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. West wind 8 to 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Chance Snow
    then Snow
    Likely

Detailed Forecast

Overnight
Isolated showers. Patchy fog. Otherwise, cloudy, with a low around 50. Light south wind. Chance of precipitation is 20%.
Tuesday
Isolated showers before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 57. Light southwest wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 20%.
Tuesday Night
Scattered showers, mainly between 7pm and 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. Breezy, with a west wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 43. Breezy, with a west wind 13 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
Partly cloudy, with a low around 24. West wind 8 to 10 mph.
Thanksgiving Day
Sunny, with a high near 39.
Thursday Night
Mostly clear, with a low around 19.
Friday
Mostly sunny, with a high near 36.
Friday Night
Snow likely, mainly after midnight. Cloudy, with a low around 28. Chance of precipitation is 70%.
Saturday
Rain and snow. High near 37. Chance of precipitation is 80%.
Saturday Night
Rain likely. Cloudy, with a low around 26. Chance of precipitation is 60%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 37.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 35.
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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:
3:16 am CST Nov 25, 2025
Forecast Valid:
4am CST Nov 25, 2025-6pm CST Dec 1, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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