Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
55°F
13°C
| Humidity | 80% |
| Wind Speed | SW 9 mph |
| Barometer | 29.89 in (1012.0 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 25 Nov 6:54 pm CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 34 °F
Chance Rain
then
Increasing
Clouds and
BreezyWednesday

High: 45 °F
Becoming
Sunny and
BreezyWednesday Night

Low: 25 °F
Partly Cloudy
Thanksgiving Day

High: 43 °F
Sunny
Thursday Night

Low: 21 °F
Mostly Clear
Friday

High: 38 °F
Mostly Sunny
Friday Night
Low: 28 °F
Cloudy then
Rain/Snow
LikelySaturday

High: 39 °F
Rain/Snow
Saturday Night
Low: 25 °F
Rain Likely
then Chance
Rain
Detailed Forecast
Tonight
A chance of rain before 8pm, then a chance of sprinkles between 8pm and 9pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 34. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 45. Breezy, with a west wind 14 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
Partly cloudy, with a low around 25. West wind 8 to 11 mph, with gusts as high as 23 mph.
Thanksgiving Day
Sunny, with a high near 43. Northwest wind 8 to 13 mph.
Thursday Night
Mostly clear, with a low around 21. Northwest wind 5 to 7 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 38.
Friday Night
Rain and snow likely after midnight. Cloudy, with a low around 28. Chance of precipitation is 60%.
Saturday
Rain and snow. High near 39. Chance of precipitation is 80%.
Saturday Night
Rain likely, mainly before midnight. Cloudy, with a low around 25. Chance of precipitation is 60%.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A slight chance of rain and snow. Mostly cloudy, with a high near 30. Chance of precipitation is 20%.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 34.
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)
4:41 pm CST Nov 25, 2025
6pm CST Nov 25, 2025-6pm CST Dec 2, 2025


