Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Rain Fog/Mist

48°F

9°C

Humidity 96%
Wind Speed SE 13 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 47°F (8°C)
Visibility 4.00 mi
Wind Chill43°F (6°C)
Last update 5 Mar 12:54 am CST
Extended Forecast for

St. Charles County Smartt Airport MO

  • Overnight

    Overnight: Showers and possibly a thunderstorm.  Patchy fog. Low around 50. Light and variable wind becoming southeast around 5 mph.  Chance of precipitation is 90%.

    Low: 50 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 8am.  Patchy fog before 11am.  Otherwise, mostly cloudy, with a high near 67. West wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 52. Light southeast wind increasing to 5 to 9 mph in the evening.

    Low: 52 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of rain and thunderstorms.  Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 32 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Chance Rain
    and Breezy

  • Friday Night

    Friday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after midnight.  Low around 55. South wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    T-storms then
    Rain

  • Saturday

    Saturday: A 40 percent chance of rain before noon.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Patchy fog. Low around 50. Light and variable wind becoming southeast around 5 mph. Chance of precipitation is 90%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 8am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 67. West wind 5 to 8 mph becoming light and variable in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 52. Light southeast wind increasing to 5 to 9 mph in the evening.
Friday
A chance of rain and thunderstorms. Partly sunny, with a high near 80. Breezy, with a south wind 10 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after midnight. Low around 55. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 64.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 77.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly clear, with a low around 55.
Tuesday
Rain and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.
Wednesday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.94°N 90.45°W (Elev. 427 ft)
12:26 am CST Mar 5, 2026
1am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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