Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

62°F

17°C

Humidity 58%
Wind Speed W 10 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 10 Feb 10:54 am CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Today

    Today: Sunny, with a high near 55. North wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 28. North wind 7 to 10 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. Northwest wind 5 to 8 mph.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of rain after noon.  Cloudy, with a high near 47. Southeast wind 5 to 8 mph.

    High: 47 °F

    Cloudy then
    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Friday Night

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

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 55. North wind 10 to 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 28. North wind 7 to 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 49. Northwest wind 5 to 8 mph.
Wednesday Night
Increasing clouds, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of rain after noon. Cloudy, with a high near 47. Southeast wind 5 to 8 mph.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 32.
Friday
Partly sunny, with a high near 49.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 47.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Sunday
A 40 percent chance of rain. Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 31.
Washington's Birthday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
10:51 am CST Feb 10, 2026
11am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
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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