Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
67°F
19°C
| Humidity | 81% |
| Wind Speed | S 13 mph |
| Barometer | 29.85 in (1010.4 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 6 Mar 11:54 pm CST |
Extended Forecast for
4 Miles SSW Portage Des Sioux MO
Severe T-storm Watch until March 7, 06:00am
NOW until 6:00am Sat
Severe T-storm Watch
Overnight
Low: 61 °F
Severe
ThunderstormsSaturday
High: 65 °F⇓
Showers and
Breezy then
Partly SunnySaturday Night
Low: 37 °F
Decreasing
CloudsSunday
High: 67 °F
Sunny
Sunday Night
Low: 47 °F
Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 58 °F
Mostly Clear
then Chance
RainTuesday
High: 80 °F
Chance Rain
then Rain
Detailed Forecast
Overnight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Some of the storms could be severe. Low around 61. South wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 8am. Temperature rising to near 65 by 10am, then falling to around 55 during the remainder of the day. Breezy, with a west wind 10 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 37. West wind 6 to 11 mph becoming light after midnight.
Sunday
Sunny, with a high near 67. Light southwest wind increasing to 5 to 10 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 80. 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 SSW Portage Des Sioux MO
38.87°N 90.36°W (Elev. 430 ft)
38.87°N 90.36°W (Elev. 430 ft)
10:41 pm CST Mar 6, 2026
12am CST Mar 7, 2026-6pm CDT Mar 13, 2026
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