Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
60°F
16°C
| Humidity | 90% |
| Wind Speed | SW 3 mph |
| Barometer | 29.88 in (1011.3 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 7 Mar 1:54 am CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Overnight

Low: 59 °F
Rain
Saturday
High: 63 °F⇓
Showers then
Partly SunnySaturday Night

Low: 34 °F
Decreasing
CloudsSunday

High: 67 °F
Sunny
Sunday Night

Low: 43 °F
Clear
Monday

High: 78 °F
Sunny
Monday Night
Low: 56 °F
Mostly Clear
then Chance
RainTuesday
High: 80 °F
Chance Rain
then RainTuesday Night

Low: 49 °F
Rain
Detailed Forecast
Overnight
Rain and possibly a thunderstorm. Low around 59. South wind 8 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 8am. Temperature rising to near 63 by 9am, then falling to around 55 during the remainder of the day. Southwest wind 8 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 5 to 10 mph becoming light west after midnight.
Sunday
Sunny, with a high near 67. Light southwest wind increasing to 5 to 10 mph in the morning.
Sunday Night
Clear, with a low around 43. South wind around 8 mph.
Monday
Sunny, with a high near 78.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 56.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 80. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 49. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 61. Breezy. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 65.
Additional Forecasts and Information
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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)
2:21 am CST Mar 7, 2026
2am CST Mar 7, 2026-6pm CDT Mar 13, 2026



