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

78°F

26°C

Humidity 48%
Wind Speed SW 13 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Nov 12:54 pm CST
Extended Forecast for

4 Miles W Kane IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. South wind 8 to 11 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 58. Southwest wind 7 to 10 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind 6 to 9 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. Northwest wind 5 to 7 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after noon. Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain before noon. Partly sunny, with a high near 53.

    High: 53 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. South wind 8 to 11 mph.
Tonight
Increasing clouds, with a low around 58. Southwest wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 76. Southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 41. North wind 6 to 9 mph.
Sunday
Sunny, with a high near 58. Northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 56.
Monday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of rain before noon. Partly sunny, with a high near 53.
Tuesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 35.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 52.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
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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 ft)
Last Update:
10:46 am CST Nov 14, 2025
Forecast Valid:
1pm CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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