


Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
71°F
22°C
Humidity | 63% |
Wind Speed | S 9 mph |
Barometer | 29.79 in (1008.2 mb) |
Dewpoint | 58°F (14°C) |
Visibility | 10.00 mi |
Last update | 17 Oct 10:54 pm CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 61 °F
Mostly Clear
Saturday
High: 74 °F
Heavy Rain
Saturday Night
Low: 49 °F
Heavy Rain
Sunday
High: 64 °F
Becoming
SunnySunday Night
Low: 43 °F
Clear
Monday
High: 74 °F
Sunny
Monday Night
Low: 47 °F
Mostly Clear
Tuesday
High: 63 °F
Sunny
Tuesday Night
Low: 39 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 61. South wind 7 to 10 mph.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 74. Southwest wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 49. Southwest wind 8 to 18 mph becoming northwest after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 15 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 43. West wind 5 to 7 mph becoming south after midnight.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 70.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
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)
10:21 pm CDT Oct 17, 2025
11pm CDT Oct 17, 2025-6pm CDT Oct 24, 2025