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

28°F

-2°C

Humidity 72%
Wind Speed N 6 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 21 Feb 3:54 am CST
Extended Forecast for

Kane IL

  • Today

    Today: A chance of flurries between 7am and 10am. Mostly cloudy, with a high near 39. Northwest wind 7 to 14 mph.

    High: 39 °F

    Chance
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 32. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 32 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
A chance of flurries between 7am and 10am. Mostly cloudy, with a high near 39. Northwest wind 7 to 14 mph.
Tonight
Mostly clear, with a low around 19. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 32. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Mostly clear, with a low around 14. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 32. Northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 61.
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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:
4:16 am CST Feb 21, 2026
Forecast Valid:
4am CST Feb 21, 2026-6pm CST Feb 27, 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