Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
76°F
24°C
| Humidity | 27% |
| Wind Speed | Vrbl 7 mph |
| Barometer | 30.22 in (1023.1 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 5 Oct 1:54 pm CDT |
Extended Forecast for
Portage Des Sioux MO
This Afternoon
High: 79 °F
Sunny
Tonight
Low: 49 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 56 °F
Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 57 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 83 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 79. Northeast wind around 6 mph.
Tonight
Clear, with a low around 49. East wind 3 to 6 mph.
Tuesday
Sunny, with a high near 81. East wind 5 to 8 mph becoming south in the afternoon.
Tuesday Night
Clear, with a low around 56. South wind around 6 mph.
Wednesday
Sunny, with a high near 89. West wind 6 to 9 mph.
Wednesday Night
Clear, with a low around 57.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portage Des Sioux MO
38.93°N 90.33°W (Elev. 407 ft)
38.93°N 90.33°W (Elev. 407 ft)
1:31 pm CDT Oct 5, 2026
2pm CDT Oct 5, 2026-6pm CDT Oct 11, 2026
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