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.

Mostly Cloudy

16°F

-9°C

Humidity 59%
Wind Speed W 16 G 23 mph
Barometer 30.30 in (1026.5 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 17 Jan 7:54 pm CST
Extended Forecast for

3 Miles NW Kane IL

  • Tonight

    Tonight: A chance of flurries before 11pm. Partly cloudy, with a low around 12. West wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 12 °F

    Chance
    Flurries

  • Sunday

    Sunday: A chance of snow or flurries before 3pm, then a slight chance of snow between 3pm and 5pm, then a chance of flurries after 5pm. Partly sunny, with a high near 31. Southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 31 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of flurries before 9pm. Partly cloudy, with a low around 9. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 9 °F

    Chance
    Flurries and
    Blustery

  • M.L.King Day

    M.L.King Day: Sunny and cold, with a high near 19. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 19 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around 9. West wind around 6 mph becoming light and variable.

    Low: 9 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 11pm. Partly cloudy, with a low around 12. West wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday
A chance of snow or flurries before 3pm, then a slight chance of snow between 3pm and 5pm, then a chance of flurries after 5pm. Partly sunny, with a high near 31. Southwest wind 7 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday Night
A chance of flurries before 9pm. Partly cloudy, with a low around 9. Blustery, with a northwest wind 15 to 21 mph, with gusts as high as 31 mph.
M.L.King Day
Sunny and cold, with a high near 19. Northwest wind 8 to 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 9. West wind around 6 mph becoming light and variable.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 22.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 41.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 17. Chance of precipitation is 30%.
Saturday
A 40 percent chance of snow. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Kane IL
 39.22°N 90.4°W (Elev. 499 ft)
Last Update:
5:01 pm CST Jan 17, 2026
Forecast Valid:
8pm CST Jan 17, 2026-6pm CST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation