Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Mostly Cloudy
36°F
2°C
| Humidity | 67% |
| Wind Speed | E 9 mph |
| Barometer | 30.19 in (1022.5 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 12 Feb 9:54 pm CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight

Low: 30 °F
Partly Cloudy
Friday

High: 59 °F
Sunny
Friday Night

Low: 34 °F
Increasing
CloudsSaturday
High: 53 °F
Chance Rain
then RainSaturday Night

Low: 39 °F
Rain
Sunday

High: 59 °F
Mostly Sunny
Sunday Night

Low: 34 °F
Mostly Clear
Washington's Birthday

High: 63 °F
Mostly Sunny
Monday Night

Low: 41 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 30. East wind 5 to 7 mph.
Friday
Sunny, with a high near 59. South wind 5 to 8 mph.
Friday Night
Increasing clouds, with a low around 34. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Rain, mainly after noon. High near 53. Calm wind becoming southeast 5 to 9 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Rain. Low around 39. East wind around 8 mph. Chance of precipitation is 80%.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 34.
Washington's Birthday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 41.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 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)
7:26 pm CST Feb 12, 2026
9pm CST Feb 12, 2026-6pm CST Feb 19, 2026


