Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
40°F
4°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.46 in (1031.3 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 2.00 mi |
| Last update | 18 Oct 3:54 am CDT |
Extended Forecast for
3 Miles N Foley MO
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun

Frost Advisory
Overnight

Low: 37 °F
Clear
Sunday

High: 69 °F
Patchy Frost
then SunnySunday Night

Low: 41 °F
Clear
Monday

High: 70 °F
Sunny
Monday Night

Low: 43 °F
Partly Cloudy
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 45 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Detailed Forecast
Overnight
Clear, with a low around 37. Light south wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 69. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 41. Light south wind.
Monday
Sunny, with a high near 70. Light and variable wind.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N Foley MO
39.08°N 90.75°W (Elev. 600 ft)
39.08°N 90.75°W (Elev. 600 ft)
3:16 am CDT Oct 18, 2026
4am CDT Oct 18, 2026-6pm CDT Oct 24, 2026



