Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
52°F
11°C
| Humidity | 93% |
| Wind Speed | E 13 mph |
| Barometer | 29.92 in (1013.2 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 9.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 1 Apr 8:54 pm CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Tonight

Low: 54 °F⇑
Chance
T-stormsThursday
High: 77 °F
Breezy.
Chance
Showers then
Chance
T-stormsThursday Night
Low: 63 °F
Chance
T-storms then
Showers
LikelyFriday
High: 82 °F
Chance
Showers then
Chance
T-stormsFriday Night
Low: 54 °F
Showers
Likely then
ShowersSaturday

High: 58 °F
Showers
LikelySaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 58 °F
Sunny
Sunday Night

Low: 38 °F
Clear
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Cloudy, with a temperature rising to around 62 by 5am. East wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Breezy, with a south wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Partly cloudy, with a low around 63. South wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. South wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 54. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a steady temperature around 58. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 68.
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)
7:31 pm CDT Apr 1, 2026
9pm CDT Apr 1, 2026-6pm CDT Apr 8, 2026



