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

24°F

-4°C

Humidity 60%
Wind Speed NW 20 G 28 mph
Barometer 30.37 in (1028.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 22 Feb 3:54 am CST
Extended Forecast for

Kane IL

  • Today

    Today: Mostly sunny, with a high near 30. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 34 mph.

    High: 30 °F

    Mostly Sunny
    and Blustery

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 32. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53. South wind 10 to 17 mph, with gusts as high as 26 mph.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 49.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 30. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 13. Northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 32. Northwest wind 8 to 16 mph, with gusts as high as 26 mph.
Monday Night
Increasing clouds, with a low around 18. Calm wind becoming south 5 to 9 mph after midnight.
Tuesday
Mostly cloudy, with a high near 53. South wind 10 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 59.
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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:
1:41 am CST Feb 22, 2026
Forecast Valid:
4am CST Feb 22, 2026-6pm CST Feb 28, 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