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

20°F

-7°C

Humidity 62%
Wind Speed NE 5 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 29 Jan 3:54 am CST
Extended Forecast for

Kane IL

  • Today

    Today: A 20 percent chance of snow after 4pm. Cloudy and cold, with a high near 20. Northeast wind 5 to 7 mph.

    High: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 2. North wind 3 to 6 mph.

    Low: 2 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 16. North wind 6 to 10 mph.

    High: 16 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. North wind 8 to 10 mph.

    Low: 2 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny and cold, with a high near 18. Northwest wind 7 to 10 mph.

    High: 18 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Partly sunny, with a high near 26.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Cloudy and cold, with a high near 20. Northeast wind 5 to 7 mph.
Tonight
A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 2. North wind 3 to 6 mph.
Friday
Mostly sunny and cold, with a high near 16. North wind 6 to 10 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 2. Wind chill values as low as -10. North wind 8 to 10 mph.
Saturday
Sunny and cold, with a high near 18. Northwest wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 0.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 26.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 22.
Wednesday
A 30 percent chance of snow. Mostly cloudy, with a high near 33.
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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:
4:11 am CST Jan 29, 2026
Forecast Valid:
4am CST Jan 29, 2026-6pm CST Feb 4, 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