Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog
49°F
9°C
| Humidity | 97% |
| Wind Speed | E 15 mph |
| Barometer | 29.89 in (1012.3 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.50 mi |
| Wind Chill | 43°F (6°C) |
| Last update | 27 Dec 11:54 am CST |
Extended Forecast for
St. Charles County Smartt Airport MO
Today
High: 58 °F
Cloudy
Tonight
Low: 56 °F
Cloudy
Sunday
High: 67 °F⇓
Chance
T-storms then
Rain and
BreezySunday Night
Low: 18 °F
Breezy.
Chance
Showers then
Partly CloudyMonday
High: 27 °F
Mostly Sunny
and BreezyMonday Night
Low: 15 °F
Mostly Clear
Tuesday
High: 34 °F
Sunny
Tuesday Night
Low: 24 °F
Mostly Clear
Wednesday
High: 43 °F
Mostly Sunny
Detailed Forecast
Today
Cloudy, with a high near 58. Southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
Cloudy, with a low around 56. Southeast wind 7 to 11 mph.
Sunday
Rain and thunderstorms before 4pm, then rain likely and possibly a thunderstorm between 4pm and 5pm, then a chance of rain and thunderstorms after 5pm. Temperature rising to near 67 by noon, then falling to around 47 during the remainder of the day. Breezy, with a southeast wind 7 to 12 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of rain before 7pm, then a chance of showers between 7pm and 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 18. Breezy, with a west wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 27. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 36 mph.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 33.
Additional Forecasts and Information
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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)
11:01 am CST Dec 27, 2025
11am CST Dec 27, 2025-6pm CST Jan 2, 2026
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