Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

53°F

12°C

Humidity 32%
Wind Speed SE 13 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Feb 4:54 pm CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southeast wind 5 to 8 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 57. South wind 5 to 8 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 35. South wind around 5 mph becoming calm  in the evening.

    Low: 35 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Rain likely, mainly after noon.  Cloudy, with a high near 51. Southeast wind 3 to 7 mph.  Chance of precipitation is 70%.

    High: 51 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain, mainly before midnight.  Low around 42. East wind around 8 mph.  Chance of precipitation is 80%.

    Low: 42 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Southeast wind 5 to 8 mph.
Friday
Sunny, with a high near 57. South wind 5 to 8 mph.
Friday Night
Increasing clouds, with a low around 35. South wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Southeast wind 3 to 7 mph. Chance of precipitation is 70%.
Saturday Night
Rain, mainly before midnight. Low around 42. East wind around 8 mph. Chance of precipitation is 80%.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Mostly sunny, with a high near 60.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
5:11 pm CST Feb 12, 2026
5pm CST Feb 12, 2026-6pm CST Feb 19, 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