Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
66°F
19°C
| Humidity | 50% |
| Wind Speed | N 12 mph |
| Barometer | 30.00 in (1015.5 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 1:54 am CDT |
Extended Forecast for
3 Miles WSW Jerseyville IL
Overnight
Low: 55 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 89 °F
Sunny
Friday Night
Low: 60 °F
Clear
Saturday
High: 86 °F
Mostly Sunny
Saturday Night
Low: 58 °F
Chance
ShowersSunday
High: 80 °F
Mostly Sunny
Sunday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
Overnight
Clear, with a low around 55. Light north wind.
Thursday
Sunny, with a high near 85. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 57. Light and variable wind becoming east around 5 mph after midnight.
Friday
Sunny, with a high near 89. South wind 6 to 10 mph.
Friday Night
Clear, with a low around 60. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 57.
Columbus Day
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 60.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles WSW Jerseyville IL
39.11°N 90.38°W (Elev. 600 ft)
39.11°N 90.38°W (Elev. 600 ft)
1:26 am CDT Oct 8, 2026
2am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
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