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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Light Rain
60°F
16°C
| Humidity | 80% |
| Wind Speed | N 6 mph |
| Barometer | 29.80 in (1008.9 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 8 May 6:54 pm CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 53 °F
Showers
Likely then
Mostly CloudySaturday

High: 81 °F
Becoming
SunnySaturday Night
Low: 54 °F
Partly Cloudy
then Slight
Chance
ShowersSunday

High: 67 °F
Partly Sunny
Sunday Night

Low: 43 °F
Mostly Clear
Monday

High: 72 °F
Sunny
Monday Night

Low: 50 °F
Mostly Clear
Tuesday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-stormsTuesday Night

Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 53. West wind 5 to 9 mph becoming light and variable. Chance of precipitation is 70%.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 81. West wind 6 to 14 mph.
Saturday Night
A slight chance of showers between 1am and 2am. Increasing clouds, with a low around 54. West wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 67. North wind around 11 mph.
Sunday Night
Mostly clear, with a low around 43. North wind 5 to 8 mph becoming calm after midnight.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 50.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 80. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 79.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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)
5:50 pm CDT May 8, 2026
6pm CDT May 8, 2026-6pm CDT May 15, 2026



