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

26°C

78°F

Humidity 79%
Wind Speed SE 9 km/h
Barometer 1013.2 mb (29.94 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 7 Jun 8:54 am CDT
Extended Forecast for

4 Miles W Kane IL

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 30. Southeast wind 8 to 18 km/h, with gusts as high as 32 km/h.

    High: 30 °C

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 20. Southeast wind 13 to 16 km/h.

    Low: 20 °C

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 29. South wind around 14 km/h. Chance of precipitation is 70%.

    High: 29 °C

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 20. South wind 8 to 10 km/h. Chance of precipitation is 70%.

    Low: 20 °C

    Showers
    Likely

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Southwest wind 8 to 13 km/h.

    High: 33 °C

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34.

    High: 34 °C

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 23.

    Low: 23 °C

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33.

    High: 33 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 30. Southeast wind 8 to 18 km/h, with gusts as high as 32 km/h.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 20. Southeast wind 13 to 16 km/h.
Monday
Showers likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 29. South wind around 14 km/h. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 20. South wind 8 to 10 km/h. Chance of precipitation is 70%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 33. Southwest wind 8 to 13 km/h.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 34.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 23.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 33.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a slight chance of showers. Partly cloudy, with a low around 21. Chance of precipitation is 60%.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 30.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 18.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Kane IL
 39.18°N 90.41°W (Elev. 548 m)
Last Update:
9:11 am CDT Jun 7, 2026
Forecast Valid:
9am CDT Jun 7, 2026-6pm CDT Jun 13, 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