


Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
58°F
14°C
Humidity | 90% |
Wind Speed | Calm |
Barometer | 29.98 in (1014.7 mb) |
Dewpoint | 55°F (13°C) |
Visibility | 10.00 mi |
Last update | 11 Oct 10:54 pm CDT |
Extended Forecast for
Jerseyville IL
Tonight
Low: 51 °F
Mostly Clear
Sunday
High: 79 °F
Sunny
Sunday Night
Low: 55 °F
Mostly Clear
Columbus Day
High: 79 °F
Mostly Sunny
Monday Night
Low: 60 °F
Mostly Cloudy
Tuesday
High: 77 °F
Partly Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 51. East wind around 7 mph.
Sunday
Sunny, with a high near 79. Southeast wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 55. Southeast wind 6 to 8 mph.
Columbus Day
Mostly sunny, with a high near 79. Southeast wind around 6 mph becoming north in the afternoon.
Monday Night
Mostly cloudy, with a low around 60. Calm wind.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 80.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 59.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 75.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Jerseyville IL
39.11°N 90.32°W (Elev. 630 ft)
39.11°N 90.32°W (Elev. 630 ft)
10:11 pm CDT Oct 11, 2025
11pm CDT Oct 11, 2025-6pm CDT Oct 18, 2025