Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
56°F
13°C
| Humidity | 93% |
| Wind Speed | E 8 mph |
| Barometer | 29.78 in (1008.1 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 5.00 mi |
| Last update | 2 Apr 3:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Wind Advisory April 2, 12:00pm until April 2, 07:00pm
Overnight

Low: 58 °F
Chance
ShowersThursday
High: 76 °F
Breezy.
Chance
Showers then
T-stormsThursday Night

Low: 62 °F
Showers
LikelyFriday

High: 82 °F
Showers
LikelyFriday Night
Low: 56 °F
T-storms
Likely then
ShowersSaturday

High: 58 °F
Chance
ShowersSaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 39 °F
Clear
Detailed Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a steady temperature around 58. Southeast wind around 10 mph.
Thursday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 76. Breezy, with a south wind 15 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. 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 31 mph. Chance of precipitation is 60%.
Friday
A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. East wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 56. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a steady temperature around 58.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 64.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 71.
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)
4:31 am CDT Apr 2, 2026
4am CDT Apr 2, 2026-6pm CDT Apr 8, 2026



