Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
56°F
13°C
| Humidity | 57% |
| Wind Speed | S 6 mph |
| Barometer | 30.11 in (1019.4 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 2:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Overnight

Low: 55 °F
Mostly Clear
Thursday

High: 81 °F
Sunny
Thursday Night

Low: 60 °F
Partly Cloudy
Friday

High: 70 °F
Showers
LikelyFriday Night

Low: 51 °F
Chance
ShowersSaturday

High: 76 °F
Chance
ShowersSaturday Night

Low: 61 °F
Mostly Cloudy
Sunday
High: 80 °F
Mostly Cloudy
then Chance
ShowersSunday Night

Low: 66 °F
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 55. South wind around 8 mph.
Thursday
Sunny, with a high near 81. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 60. South wind 9 to 11 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 70. Southwest wind 7 to 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51. East wind around 6 mph.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 61.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 85.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Additional Forecasts and Information
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ABOUT 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)
1:26 am CDT Apr 9, 2026
3am CDT Apr 9, 2026-6pm CDT Apr 15, 2026



