Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

64°F

18°C

Humidity 38%
Wind Speed W 6 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 38°F (3°C)
Visibility 7.00 mi
Last update 3 Nov 3:54 pm CST
Extended Forecast for

Silex MO

  • Tonight

    Tonight: Mostly clear, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 72. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. West wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance Rain

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 72. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 52. South wind 7 to 9 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 68. West wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Clear, with a low around 38. Light and variable wind.
Thursday
Sunny, with a high near 65.
Thursday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 52.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 28.
Monday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Silex MO
 39.13°N 91.04°W (Elev. 600 ft)
3:15 pm CST Nov 3, 2025
4pm CST Nov 3, 2025-6pm CST Nov 10, 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