Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

39°F

4°C

Humidity 62%
Wind Speed E 7 mph
Barometer 30.35 in (1027.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 24 Mar 7:54 am CDT
Extended Forecast for

St. Charles County Smartt Airport MO

  • Today

    Today: Mostly sunny, with a high near 62. Southeast wind 8 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Southeast wind around 7 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Southeast wind 5 to 13 mph becoming south in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 8 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am.  Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Friday

    Friday: Rain, mainly before 7am.  High near 53. Chance of precipitation is 80%.

    High: 53 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 62. Southeast wind 8 to 10 mph.
Tonight
Mostly cloudy, with a low around 42. Southeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 78. Southeast wind 5 to 13 mph becoming south in the afternoon.
Wednesday Night
Mostly clear, with a low around 59. South wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers and possibly a thunderstorm, mainly before 4am, then rain after 4am. Low around 42. Chance of precipitation is 80%.
Friday
Rain, mainly before 7am. High near 53. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 29.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.94°N 90.45°W (Elev. 427 ft)
2:56 am CDT Mar 24, 2026
8am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
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Additional Resources

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