Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
60°F
16°C
| Humidity | 86% |
| Wind Speed | N 3 mph |
| Barometer | 30.15 in (1020.5 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 3 Aug 6:54 am CDT |
Extended Forecast for
Jerseyville IL
Today
High: 79 °F
Increasing
CloudsTonight
Low: 63 °F
Mostly Cloudy
Monday
High: 79 °F
Partly Sunny
then Slight
Chance
T-stormsMonday Night
Low: 66 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 86 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 79. Northeast wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Northeast wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 66. East wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 90.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Jerseyville IL
39.11°N 90.32°W (Elev. 630 ft)
39.11°N 90.32°W (Elev. 630 ft)
5:26 am CDT Aug 3, 2025
7am CDT Aug 3, 2025-6pm CDT Aug 9, 2025
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