Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
69°F
21°C
| Humidity | 96% |
| Wind Speed | NW 3 mph |
| Barometer | 30.02 in (1016.2 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 6.00 mi |
| Last update | 14 Oct 8:54 pm CDT |
Extended Forecast for
2 Miles W Portage Des Sioux MO
Tonight
Low: 66 °F
Mostly Cloudy
then
Scattered
ShowersThursday
High: 82 °F
Showers then
Chance
T-stormsThursday Night

Low: 48 °F
Chance
ShowersFriday
High: 57 °F
Breezy.
Mostly Cloudy
then Slight
Chance
ShowersFriday Night

Low: 39 °F
Partly Cloudy
Saturday

High: 63 °F
Sunny
Saturday Night

Low: 39 °F
Clear
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 42 °F
Mostly Clear
Detailed Forecast
Tonight
Scattered showers and thunderstorms, mainly after 5am. Cloudy, with a low around 66. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and noon, then a chance of showers and thunderstorms after noon. High near 82. East wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 48. Southwest wind 9 to 17 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 57. Breezy, with a northwest wind 20 to 22 mph, with gusts as high as 32 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind 8 to 16 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 39.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles W Portage Des Sioux MO
38.93°N 90.39°W (Elev. 427 ft)
38.93°N 90.39°W (Elev. 427 ft)
8:25 pm CDT Oct 14, 2026
9pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026


