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

42°F

6°C

Humidity 82%
Wind Speed E 7 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 9 Mar 4:54 am CDT
Extended Forecast for

7 Miles ESE Silex MO

  • Today

    Today: Sunny, with a high near 79. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 81. South wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 49. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 49 °F

    T-storms
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature rising to near 57 by 10am, then falling to around 48 during the remainder of the day. Southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.

    High: 57 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Southwest wind 7 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 59. South wind around 8 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 81. South wind 7 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 49. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Wednesday
Showers and possibly a thunderstorm. Temperature rising to near 57 by 10am, then falling to around 48 during the remainder of the day. Southwest wind 13 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Silex MO
 39.1°N 90.92°W (Elev. 699 ft)
Last Update:
5:11 am CDT Mar 9, 2026
Forecast Valid:
5am CDT Mar 9, 2026-6pm CDT Mar 15, 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