Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

31°F

-1°C

Humidity 82%
Wind Speed E 8 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 2 Feb 7:54 pm CST
Extended Forecast for

St. Charles County Smartt Airport MO

  • Tonight

    Tonight: A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am.  Cloudy, with a low around 28. Northeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Wintry
    Mix

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before 7am.  Mostly cloudy, with a high near 33. North wind 7 to 10 mph.

    High: 33 °F

    Chance Snow
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 14. North wind around 6 mph becoming calm  in the evening.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. Calm wind becoming north around 6 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

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

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 28. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 33. North wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming north around 6 mph.
Wednesday Night
Mostly clear, with a low around 12. Calm wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.94°N 90.45°W (Elev. 427 ft)
7:57 pm CST Feb 2, 2026
8pm CST Feb 2, 2026-6pm CST Feb 9, 2026
 
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Additional Resources

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