Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
74°F
23°C
| Humidity | 60% |
| Wind Speed | S 16 mph |
| Barometer | 29.71 in (1005.7 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 2 Apr 7:54 pm CDT |
Extended Forecast for
4 Miles S Portage Des Sioux MO
Tonight
Low: 59 °F
Chance
T-storms then
Chance
ShowersFriday
High: 78 °F
Chance
Showers then
Chance
T-stormsFriday Night
Low: 57 °F
Showers
Saturday
High: 64 °F
Showers
LikelySaturday Night
Low: 40 °F
Partly Cloudy
Sunday
High: 59 °F
Sunny
Sunday Night
Low: 40 °F
Clear
Monday
High: 62 °F
Sunny
Monday Night
Low: 37 °F
Partly Cloudy
then Slight
Chance
Rain/Snow
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 59. South wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly cloudy, with a high near 78. East wind 5 to 14 mph becoming south in the afternoon. Winds could gust as high as 23 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 57. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 64. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 40. West wind 9 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
A slight chance of rain and snow showers after 1am. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 77.
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)
7:41 pm CDT Apr 2, 2026
8pm CDT Apr 2, 2026-6pm CDT Apr 9, 2026
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