News Headlines
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
30°F
-1°C
| Humidity | 61% |
| Wind Speed | NE 9 mph |
| Barometer | 30.39 in (1029.7 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 4 Feb 12:54 pm CST |
Extended Forecast for
St. Charles County Smartt Airport MO
This Afternoon
High: 31 °F
Mostly Sunny
Tonight
Low: 11 °F
Mostly Clear
Thursday
High: 39 °F
Mostly Cloudy
Thursday Night
Low: 26 °F
Partly Cloudy
Friday
High: 47 °F
Mostly Sunny
Friday Night
Low: 23 °F
Partly Cloudy
Saturday
High: 36 °F
Mostly Sunny
Saturday Night
Low: 24 °F
Mostly Cloudy
Sunday
High: 51 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 31. North wind around 6 mph.
Tonight
Mostly clear, with a low around 11. Light and variable wind.
Thursday
Mostly cloudy, with a high near 39. Light south wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 26. West wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 47. West wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 35.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 59.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
12:26 pm CST Feb 4, 2026
1pm CST Feb 4, 2026-6pm CST Feb 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
