Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

71°F

22°C

Humidity 63%
Wind Speed S 9 mph
Barometer 29.79 in (1008.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Oct 10:54 pm CDT
Extended Forecast for

St. Charles County Smartt Airport MO

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 7 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall.  High near 74. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    High: 74 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall.  Low around 49. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 90%.

    Low: 49 °F

    Heavy Rain

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.

    High: 64 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. West wind 5 to 7 mph becoming south after midnight.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 61. South wind 7 to 10 mph.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 74. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 49. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 43. West wind 5 to 7 mph becoming south after midnight.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.94°N 90.45°W (Elev. 427 ft)
10:21 pm CDT Oct 17, 2025
11pm CDT Oct 17, 2025-6pm CDT Oct 24, 2025
 
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Additional Resources

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