Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
87°F
31°C
| Humidity | 34% |
| Wind Speed | SW 8 mph |
| Barometer | 29.67 in (1004.2 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 26 Mar 6:54 pm CDT |
Extended Forecast for
St. Charles County Smartt Airport MO
Tonight
Low: 39 °F
Breezy.
T-storms
Likely then
T-stormsFriday
High: 55 °F
Chance
Showers then
Mostly SunnyFriday Night
Low: 28 °F
Mostly Clear
Saturday
High: 57 °F
Sunny
Saturday Night
Low: 39 °F
Mostly Cloudy
Sunday
High: 71 °F
Mostly Cloudy
Sunday Night
Low: 54 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 62 °F
Slight Chance
Rain
Detailed Forecast
Tonight
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 39. Breezy, with a southwest wind 9 to 14 mph becoming north 17 to 22 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 55. North wind 14 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 28. North wind 6 to 14 mph.
Saturday
Sunny, with a high near 57. Light and variable wind becoming south 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 39. South wind 8 to 10 mph.
Sunday
Mostly cloudy, with a high near 71.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 87.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 62.
Tuesday
A 20 percent chance of rain and thunderstorms. Partly sunny, with a high near 88.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 54.
Wednesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 75.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Thursday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
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)
5:41 pm CDT Mar 26, 2026
7pm CDT Mar 26, 2026-6pm CDT Apr 2, 2026
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