Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
20°F
-7°C
| Humidity | 74% |
| Wind Speed | Calm |
| Barometer | 30.29 in (1026.0 mb) |
| Dewpoint | 13°F (-11°C) |
| Visibility | 10.00 mi |
| Last update | 11 Nov 12:54 am CST |
Extended Forecast for
Portage Des Sioux MO
Overnight
Low: 24 °F
Becoming
CloudyVeterans Day
High: 56 °F
Decreasing
CloudsTuesday Night
Low: 37 °F
Mostly Clear
Wednesday
High: 63 °F
Sunny
Wednesday Night
Low: 36 °F
Mostly Clear
Thursday
High: 64 °F
Partly Sunny
Thursday Night
Low: 49 °F
Partly Cloudy
Friday
High: 74 °F
Mostly Sunny
Friday Night
Low: 56 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear early, then becoming cloudy, with a low around 24. South wind 3 to 6 mph.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 56. South wind 7 to 17 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 37. West wind 6 to 9 mph.
Wednesday
Sunny, with a high near 63. West wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 36. Light and variable wind.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 55.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 66.
Sunday Night
A 40 percent chance of rain. Partly cloudy, with a low around 42.
Monday
A 40 percent chance of rain. Mostly sunny, with a high near 57.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Portage Des Sioux MO
38.93°N 90.36°W (Elev. 407 ft)
38.93°N 90.36°W (Elev. 407 ft)
11:46 pm CST Nov 10, 2025
1am CST Nov 11, 2025-6pm CST Nov 17, 2025
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