Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
66°F
19°C
| Humidity | 78% |
| Wind Speed | S 12 mph |
| Barometer | 29.87 in (1011.0 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 9:54 pm CST |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Tonight
Low: 61 °F
Slight Chance
T-storms then
ShowersSaturday
High: 65 °F⇓
Showers then
Partly SunnySaturday Night
Low: 36 °F
Partly Cloudy
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 47 °F
Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
then Chance
RainTuesday
High: 79 °F
Chance Rain
then RainTuesday Night
Low: 50 °F
Rain
Detailed Forecast
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 61. South wind 9 to 15 mph becoming southwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 8am. Temperature rising to near 65 by 10am, then falling to around 56 during the remainder of the day. West wind 9 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 36. Northwest wind 6 to 11 mph becoming light west in the evening.
Sunday
Sunny, with a high near 66. Light southwest wind increasing to 6 to 11 mph in the morning.
Sunday Night
Clear, with a low around 47. South wind around 7 mph.
Monday
Sunny, with a high near 79.
Monday Night
A 30 percent chance of rain after midnight. Mostly clear, with a low around 58.
Tuesday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after noon. High near 79. Chance of precipitation is 80%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 50. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before noon. Cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 68.
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)
8:51 pm CST Mar 6, 2026
10pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
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