Hazardous Weather Conditions

Current conditions at

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

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

61°F

16°C

Humidity 93%
Wind Speed E 7 mph
Barometer 29.85 in (1010.5 mb)
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 10 Mar 8:54 am CDT
Extended Forecast for

St. Charles County Smartt Airport MO

  • Today

    Today: Sunny, with a high near 85. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am.  Low around 51. Southwest wind around 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 51 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 11 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%.

    High: 61 °F

    T-storms then
    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 85. South wind 8 to 17 mph, with gusts as high as 28 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 51. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 11 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 30. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 57. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 45.
Sunday
Rain likely. Cloudy, with a high near 60. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Charles County Smartt Airport MO
 38.94°N 90.45°W (Elev. 427 ft)
5:31 am CDT Mar 10, 2026
9am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
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