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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
27°F
-3°C
| Humidity | 69% |
| Wind Speed | Calm |
| Barometer | 30.18 in (1022.6 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 1 Feb 10:54 pm CST |
Extended Forecast for
4 Miles S Portage Des Sioux MO
Tonight
Low: 22 °F
Mostly Cloudy
Monday
High: 36 °F
Partly Sunny
Monday Night
Low: 28 °F
Mostly Cloudy
Tuesday
High: 33 °F
Slight Chance
SnowTuesday Night
Low: 18 °F
Mostly Cloudy
Wednesday
High: 31 °F
Mostly Sunny
Wednesday Night
Low: 15 °F
Partly Cloudy
Thursday
High: 41 °F
Mostly Sunny
Thursday Night
Low: 33 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 22. Southwest wind 3 to 6 mph.
Monday
Partly sunny, with a high near 36. West wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly cloudy, with a low around 28. Calm wind becoming east around 5 mph after midnight.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 33. North wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 18. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 46.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 42.
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)
10:06 pm CST Feb 1, 2026
11pm CST Feb 1, 2026-6pm CST Feb 8, 2026
Additional Resources
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Hourly Weather Forecast
