Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

23°F

-5°C

Humidity 81%
Wind Speed W 8 mph
Barometer 30.14 in (1021.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 2 Dec 8:54 am CST
Extended Forecast for

3 Miles ENE Brussels IL

  • Today

    Today: Partly sunny, with a high near 28. West wind around 6 mph becoming south in the afternoon.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Southeast wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 39. South wind around 6 mph becoming northwest in the afternoon.

    High: 39 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 11. North wind 7 to 10 mph.

    Low: 11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 20. North wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 20 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 28. West wind around 6 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 20. Southeast wind around 6 mph.
Wednesday
Increasing clouds, with a high near 39. South wind around 6 mph becoming northwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 11. North wind 7 to 10 mph.
Thursday
Sunny and cold, with a high near 20. North wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
Mostly clear, with a low around 7.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Brussels IL
 38.96°N 90.53°W (Elev. 443 ft)
4:46 am CST Dec 2, 2025
9am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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