Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
63°F
17°C
| Humidity | 41% |
| Wind Speed | S 12 mph |
| Barometer | 30.20 in (1022.7 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 8 Apr 10:54 am CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Today

High: 75 °F
Mostly Sunny
Tonight

Low: 52 °F
Mostly Clear
Thursday

High: 78 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Cloudy
then Chance
ShowersFriday

High: 70 °F
Showers
LikelyFriday Night

Low: 51 °F
Chance
ShowersSaturday

High: 73 °F
Chance
ShowersSaturday Night

Low: 57 °F
Partly Cloudy
Sunday
High: 80 °F
Partly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 75. South wind 13 to 18 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 52. South wind 10 to 14 mph.
Thursday
Mostly sunny, with a high near 78. South wind 8 to 10 mph.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 57. South wind 6 to 10 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Southwest wind 8 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. Breezy.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.
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)
10:46 am CDT Apr 8, 2026
11am CDT Apr 8, 2026-6pm CDT Apr 14, 2026



