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

33°F

1°C

Humidity 72%
Wind Speed NE 8 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 3 Feb 12:54 am CST
Extended Forecast for

Kane IL

  • Overnight

    Overnight: A 20 percent chance of snow after 3am. Cloudy, with a low around 27. Northeast wind around 7 mph.

    Low: 27 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 32. North wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Wintry Mix
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 15. North wind 5 to 7 mph.

    Low: 15 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind 3 to 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. Light and variable wind.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow after 3am. Cloudy, with a low around 27. Northeast wind around 7 mph.
Tuesday
A slight chance of snow before 7am, then a slight chance of freezing rain between 7am and 9am. Cloudy, then gradually becoming mostly sunny, with a high near 32. North wind 8 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 15. North wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 30. North wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 15. Light and variable wind.
Thursday
Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 24.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 41.
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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:
12:26 am CST Feb 3, 2026
Forecast Valid:
1am CST Feb 3, 2026-6pm CST Feb 9, 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