Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
66°F
19°C
| Humidity | 59% |
| Wind Speed | W 3 mph |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 5 Sep 6:54 pm CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 51 °F
Slight Chance
Showers then
Mostly CloudySaturday
High: 76 °F
Sunny
Saturday Night
Low: 49 °F
Mostly Clear
Sunday
High: 75 °F
Sunny
Sunday Night
Low: 48 °F
Clear
Monday
High: 78 °F
Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Tonight
A 20 percent chance of showers before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 51. West wind 3 to 7 mph.
Saturday
Sunny, with a high near 76. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 49. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 75. Calm wind becoming north 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 87.
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)
5:46 pm CDT Sep 5, 2025
7pm CDT Sep 5, 2025-6pm CDT Sep 12, 2025
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