Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

25°F

-4°C

Humidity 81%
Wind Speed S 10 mph
Barometer 30.10 in (1019.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Dec 7:54 pm CST
Extended Forecast for

Carrollton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 17. South wind around 7 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 36. South wind around 7 mph becoming northwest in the afternoon.

    High: 36 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly between 9pm and midnight.  Mostly cloudy, with a low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Chance Snow

  • Thursday

    Thursday: Sunny and cold, with a high near 18. North wind 5 to 7 mph becoming calm  in the afternoon.

    High: 18 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 6. Calm wind becoming south around 6 mph after midnight.

    Low: 6 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. South wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 36. South wind around 7 mph becoming northwest in the afternoon.
Wednesday Night
A 30 percent chance of snow, mainly between 9pm and midnight. Mostly cloudy, with a low around 8. North wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 18. North wind 5 to 7 mph becoming calm in the afternoon.
Thursday Night
Partly cloudy, with a low around 6. Calm wind becoming south around 6 mph after midnight.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Partly sunny, with a high near 32.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 31.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 31.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carrollton IL
 39.29°N 90.4°W (Elev. 568 ft)
4:51 pm CST Dec 2, 2025
8pm CST Dec 2, 2025-6pm CST Dec 9, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database