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

37°F

3°C

Humidity 54%
Wind Speed W 12 mph
Barometer 30.30 in (1026.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 26 Nov 7:54 pm CST
Extended Forecast for

4 Miles SW Carrollton IL

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 25 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 39. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 19. Northwest wind 3 to 6 mph.

    Low: 19 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 36. Light and variable wind.

    High: 36 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Snow likely after midnight. Cloudy, with a low around 28. Light southeast wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Cloudy then
    Snow Likely

  • Saturday

    Saturday: Snow before noon, then rain, possibly mixed with snow. High near 36. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, possibly mixed with snow, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °F

    Rain/Snow
    Likely then
    Slight Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 25. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Thanksgiving Day
Sunny, with a high near 39. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Clear, with a low around 19. Northwest wind 3 to 6 mph.
Friday
Increasing clouds, with a high near 36. Light and variable wind.
Friday Night
Snow likely after midnight. Cloudy, with a low around 28. Light southeast wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
Snow before noon, then rain, possibly mixed with snow. High near 36. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
Rain likely, possibly mixed with snow, mainly before midnight. Cloudy, with a low around 23. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Carrollton IL
 39.25°N 90.46°W (Elev. 600 ft)
Last Update:
5:11 pm CST Nov 26, 2025
Forecast Valid:
8pm CST Nov 26, 2025-6pm CST Dec 3, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation