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

40°F

4°C

Humidity 38%
Wind Speed S 16 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Nov 9:54 am CST
Extended Forecast for

3 Miles WNW Carrollton IL

  • Veterans Day

    Veterans Day: Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 34 mph.

    High: 55 °F

    Cloudy then
    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. West wind 6 to 10 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.

    High: 62 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 34 mph.
Tonight
Mostly clear, with a low around 35. West wind 5 to 9 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 61. West wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 35. Light west wind.
Thursday
Partly sunny, with a high near 62. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A 30 percent chance of rain, mainly after midnight. Partly cloudy, with a low around 52.
Sunday
A 40 percent chance of rain. Mostly sunny, with a high near 67.
Sunday Night
A 30 percent chance of rain. Partly cloudy, with a low around 43.
Monday
A 40 percent chance of rain. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Carrollton IL
 39.29°N 90.46°W (Elev. 607 ft)
Last Update:
8:22 am CST Nov 11, 2025
Forecast Valid:
10am CST Nov 11, 2025-6pm CST Nov 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation