Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
51°F
11°C
| Humidity | 66% |
| Wind Speed | NW 20 G 29 mph |
| Barometer | 30.23 in (1023.3 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 16 Oct 8:54 am CDT |
Extended Forecast for
4 Miles S St. Charles County Smartt Airport MO
Today
High: 54 °F
Mostly Sunny
then Slight
Chance
Showers and
BreezyTonight
Low: 39 °F
Mostly Cloudy
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 37 °F
Clear
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Clear
Monday
High: 73 °F
Mostly Sunny
Monday Night
Low: 43 °F
Partly Cloudy
Tuesday
High: 77 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, with a low around 39. North wind 9 to 18 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 61. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 66. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 81.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S St. Charles County Smartt Airport MO
38.87°N 90.45°W (Elev. 436 ft)
38.87°N 90.45°W (Elev. 436 ft)
8:11 am CDT Oct 16, 2026
9am CDT Oct 16, 2026-6pm CDT Oct 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
