National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SE Silex MO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers, mainly before 4pm. Cloudy, with a high near 54. Northwest wind around 18 mph, with gusts as high as 31 mph.

    High: 54 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 55. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. South wind 10 to 18 mph, with gusts as high as 36 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 59. West wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 64. Breezy. Chance of precipitation is 80%.

    High: 64 °F

    Rain and
    Breezy

Detailed Forecast

This Afternoon
A 50 percent chance of showers, mainly before 4pm. Cloudy, with a high near 54. Northwest wind around 18 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 55. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 43. South wind 10 to 18 mph, with gusts as high as 36 mph.
Friday
Partly sunny, with a high near 59. West wind 8 to 14 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 60.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 49.
Sunday
Rain and possibly a thunderstorm. High near 64. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Silex MO
 39.08°N 91.01°W (Elev. 482 ft)
Last Update:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
2pm CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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