Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
57°F
14°C
| Humidity | 96% |
| Wind Speed | E 6 mph |
| Barometer | 29.83 in (1009.8 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 3:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Today
High: 84 °F
Sunny
Tonight
Low: 52 °F
Slight Chance
T-storms then
T-stormsWednesday
High: 63 °F⇓
T-storms then
Showers and
BreezyWednesday Night
Low: 33 °F
Partly Cloudy
Thursday
High: 55 °F
Sunny
Thursday Night
Low: 45 °F
Mostly Cloudy
Friday
High: 63 °F
Partly Sunny
Friday Night
Low: 39 °F
Mostly Cloudy
Saturday
High: 69 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 84. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 52. Southwest wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 33. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 49.
Sunday
Rain likely. Cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Portage Des Sioux MO
38.93°N 90.27°W (Elev. 407 ft)
38.93°N 90.27°W (Elev. 407 ft)
3:46 am CDT Mar 10, 2026
4am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
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