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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
31°F
-1°C
| Humidity | 82% |
| Wind Speed | E 8 mph |
| Barometer | 30.14 in (1020.9 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 2 Feb 7:54 pm CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 28 °F
Mostly Cloudy
then Slight
Chance Wintry
MixTuesday
High: 33 °F
Chance Snow
then Partly
SunnyTuesday Night

Low: 14 °F
Partly Cloudy
Wednesday

High: 30 °F
Mostly Sunny
Wednesday Night

Low: 12 °F
Mostly Clear
Thursday

High: 40 °F
Partly Sunny
Thursday Night

Low: 29 °F
Mostly Clear
Friday

High: 46 °F
Mostly Sunny
Friday Night

Low: 21 °F
Mostly Clear
Detailed Forecast
Tonight
A slight chance of freezing rain between 3am and 5am, then a slight chance of snow after 5am. Cloudy, with a low around 28. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of snow, mainly before 7am. Mostly cloudy, with a high near 33. North wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 14. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 30. Calm wind becoming north around 6 mph.
Wednesday Night
Mostly clear, with a low around 12. Calm wind.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 29.
Friday
Mostly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 48.
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)
7:57 pm CST Feb 2, 2026
8pm CST Feb 2, 2026-6pm CST Feb 9, 2026


