Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
69°F
21°C
| Humidity | 76% |
| Wind Speed | SW 6 mph |
| Barometer | 29.80 in (1008.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 6:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Today
High: 82 °F
Slight Chance
T-storms then
Showers
LikelyTonight
Low: 63 °F
Showers
Thursday
High: 82 °F
Chance
ShowersThursday Night
Low: 59 °F
Mostly Clear
Friday
High: 87 °F
Mostly Sunny
then Chance
T-stormsFriday Night
Low: 53 °F
Showers
Saturday
High: 67 °F
Chance
ShowersSaturday Night
Low: 40 °F
Slight Chance
ShowersSunday
High: 63 °F
Sunny
Detailed Forecast
Today
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 82. Southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 63. Southwest wind 8 to 11 mph. Chance of precipitation is 90%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 82. West wind 7 to 11 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 59. West wind around 5 mph becoming light and variable in the evening.
Friday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind 5 to 14 mph, with gusts as high as 22 mph.
Friday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 67. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 77.
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)
5:31 am CDT Apr 15, 2026
7am CDT Apr 15, 2026-6pm CDT Apr 21, 2026
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