Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
38°F
3°C
| Humidity | 89% |
| Wind Speed | E 5 mph |
| Barometer | 30.01 in (1016.1 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 19 Mar 3:54 am CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Today
High: 75 °F
Becoming
SunnyTonight
Low: 48 °F
Mostly Clear
Friday
High: 82 °F
Sunny
Friday Night
Low: 47 °F
Partly Cloudy
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 56 °F
Mostly Clear
Sunday
High: 83 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Partly Cloudy
Monday
High: 55 °F
Sunny
Detailed Forecast
Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 75. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 82. Light southwest wind becoming west 6 to 11 mph in the morning.
Friday Night
Partly cloudy, with a low around 47. West wind around 6 mph becoming calm after midnight.
Saturday
Sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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Point Forecast:
St. Charles County Smartt Airport MO
38.94°N 90.45°W (Elev. 427 ft)
38.94°N 90.45°W (Elev. 427 ft)
3:07 am CDT Mar 19, 2026
4am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
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