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.

Fair

29°F

-2°C

Humidity 66%
Wind Speed E 5 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 26 Feb 5:54 am CST
Extended Forecast for

Kane IL

  • Today

    Today: Sunny, with a high near 54. East wind around 6 mph becoming light and variable.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. Breezy, with a southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon.

    High: 71 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. Southwest wind 6 to 8 mph becoming northeast after midnight.

    Low: 37 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 59. East wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: Snow likely, possibly mixed with rain, mainly after noon. Cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 24. Chance of precipitation is 70%.

    Low: 24 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: A slight chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 54. East wind around 6 mph becoming light and variable.
Tonight
Clear, with a low around 35. South wind 3 to 6 mph.
Friday
Sunny, with a high near 71. Breezy, with a southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon.
Friday Night
Mostly clear, with a low around 37. Southwest wind 6 to 8 mph becoming northeast after midnight.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 59. East wind 7 to 13 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 27.
Sunday
Snow likely, possibly mixed with rain, mainly after noon. Cloudy, with a high near 37. Chance of precipitation is 60%.
Sunday Night
Snow likely, possibly mixed with rain before midnight, then a chance of snow. Cloudy, with a low around 24. Chance of precipitation is 70%.
Monday
A slight chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 37. Chance of precipitation is 20%.
Monday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 23.
Tuesday
A 40 percent chance of rain. Cloudy, with a high near 41.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 28.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kane IL
 39.2°N 90.38°W (Elev. 551 ft)
Last Update:
4:51 am CST Feb 26, 2026
Forecast Valid:
6am CST Feb 26, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation