Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Partly Cloudy
53°F
12°C
| Humidity | 64% |
| Wind Speed | NW 18 G 30 mph |
| Barometer | 30.16 in (1021.0 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 16 Oct 5:54 am CDT |
Extended Forecast for
2 Miles SSW Portage Des Sioux MO
Today
High: 56 °F
Breezy.
Mostly Sunny
then Slight
Chance
ShowersTonight

Low: 39 °F
Decreasing
CloudsSaturday

High: 61 °F
Sunny
Saturday Night

Low: 37 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 40 °F
Mostly Clear
Monday

High: 73 °F
Mostly Sunny
Monday Night

Low: 42 °F
Partly Cloudy
Tuesday

High: 77 °F
Sunny
Detailed Forecast
Today
A 20 percent chance of showers after 2pm. Increasing clouds, with a high near 56. Breezy, with a northwest wind 18 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 9 to 18 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 61. North wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming south 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SSW Portage Des Sioux MO
38.89°N 90.36°W (Elev. 427 ft)
38.89°N 90.36°W (Elev. 427 ft)
6:11 am CDT Oct 16, 2026
7am CDT Oct 16, 2026-6pm CDT Oct 22, 2026


