Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
65°F
18°C
| Humidity | 54% |
| Wind Speed | S 9 mph |
| Barometer | 30.19 in (1022.0 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 10 Oct 11:54 am CDT |
Extended Forecast for
4 Miles S Portage Des Sioux MO
This Afternoon
High: 77 °F
Partly Sunny
Tonight
Low: 55 °F
Decreasing
CloudsSaturday
High: 79 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Mostly Clear
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 57 °F
Mostly Clear
Columbus Day
High: 81 °F
Mostly Sunny
Monday Night
Low: 58 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 55. Light and variable wind.
Saturday
Mostly sunny, with a high near 79. Northeast wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 52. Northeast wind around 5 mph becoming southeast after midnight.
Sunday
Sunny, with a high near 82. Southeast wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Portage Des Sioux MO
38.87°N 90.33°W (Elev. 456 ft)
38.87°N 90.33°W (Elev. 456 ft)
11:46 am CDT Oct 10, 2025
12pm CDT Oct 10, 2025-6pm CDT Oct 16, 2025
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