Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
39°F
4°C
| Humidity | 73% |
| Wind Speed | Calm |
| Barometer | 30.21 in (1022.8 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 13 Nov 2:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
Overnight

Low: 37 °F
Partly Cloudy
Thursday

High: 65 °F
Mostly Sunny
Thursday Night

Low: 48 °F
Increasing
CloudsFriday

High: 75 °F
Sunny
Friday Night

Low: 58 °F
Partly Cloudy
Saturday

High: 76 °F
Partly Sunny
Saturday Night

Low: 43 °F
Mostly Clear
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 39 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 37. Light north wind.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Increasing clouds, with a low around 48. South wind 6 to 8 mph.
Friday
Sunny, with a high near 75. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 58. Southwest wind 6 to 10 mph.
Saturday
Partly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 57.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Tuesday
A 20 percent chance of rain. Mostly sunny, with a high near 58.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39.02°N 90.33°W (Elev. 650 ft)
39.02°N 90.33°W (Elev. 650 ft)
2:36 am CST Nov 13, 2025
3am CST Nov 13, 2025-6pm CST Nov 19, 2025


