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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
19°F
-7°C
| Humidity | 77% |
| Wind Speed | N 6 mph |
| Barometer | 30.38 in (1029.4 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 11°F (-12°C) |
| Last update | 4 Feb 6:54 am CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Today
High: 31 °F
Partly Sunny
Tonight
Low: 14 °F
Mostly Clear
Thursday
High: 39 °F
Partly Sunny
Thursday Night
Low: 27 °F
Mostly Clear
Friday
High: 49 °F
Mostly Sunny
Friday Night
Low: 22 °F
Mostly Clear
Saturday
High: 40 °F
Mostly Sunny
Saturday Night
Low: 26 °F
Partly Cloudy
Sunday
High: 48 °F
Mostly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 31. North wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 14. North wind around 6 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 39. Light southwest wind increasing to 5 to 10 mph in the morning.
Thursday Night
Mostly clear, with a low around 27. West wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 49. Northwest wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 22.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 50.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 57.
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)
6:26 am CST Feb 4, 2026
7am CST Feb 4, 2026-6pm CST Feb 10, 2026
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