Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Mostly Cloudy

30°F

-1°C

Humidity 85%
Wind Speed NE 3 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Feb 2:54 am CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 31. Light southeast wind.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51. Light southeast wind increasing to 5 to 9 mph in the morning.

    High: 51 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Southeast wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 56. South wind 5 to 7 mph.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Light southeast wind.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon.  Cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before midnight.  Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Sunday

    Sunday: A 20 percent chance of rain before noon.  Mostly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 31. Light southeast wind.
Thursday
Mostly cloudy, with a high near 51. Light southeast wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind 6 to 8 mph.
Friday
Sunny, with a high near 56. South wind 5 to 7 mph.
Friday Night
Mostly cloudy, with a low around 36. Light southeast wind.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Chance of precipitation is 60%.
Saturday Night
Rain likely, mainly before midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 59.
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 51.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
12:26 am CST Feb 12, 2026
3am CST Feb 12, 2026-6pm CST Feb 18, 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