Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
55°F
13°C
| Humidity | 96% |
| Wind Speed | E 12 mph |
| Barometer | 29.87 in (1011.4 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 4.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 1 Apr 11:54 pm CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Overnight
Low: 53 °F⇑
Chance
T-stormsThursday
High: 77 °F
Breezy.
Chance
Showers then
ShowersThursday Night
Low: 62 °F
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
Overnight
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a temperature rising to around 58 by 5am. Southeast wind 8 to 10 mph.
Thursday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 77. Breezy, with a south wind 15 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 3am, then a chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 62. South wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 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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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)
10:31 pm CDT Apr 1, 2026
12am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
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