Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
60°F
16°C
| Humidity | 53% |
| Wind Speed | Calm |
| Barometer | 30.41 in (1029.7 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 10:54 am CDT |
Extended Forecast for
3 Miles SSW Jerseyville IL
Today
High: 71 °F
Sunny
Tonight
Low: 43 °F
Partly Cloudy
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 45 °F
Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 47 °F
Clear
Friday
High: 77 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 71. South wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 73. Calm wind.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Jerseyville IL
39.09°N 90.35°W (Elev. 600 ft)
39.09°N 90.35°W (Elev. 600 ft)
10:51 am CDT Oct 19, 2026
11am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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