Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
64°F
18°C
| Humidity | 90% |
| Wind Speed | Calm |
| Barometer | 30.15 in (1020.6 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 2 Oct 4:54 am CDT |
Extended Forecast for
Jerseyville IL
Today
High: 88 °F
Mostly Sunny
Tonight
Low: 64 °F
Mostly Clear
Friday
High: 87 °F
Sunny
Friday Night
Low: 62 °F
Mostly Clear
Saturday
High: 86 °F
Sunny
Saturday Night
Low: 58 °F
Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 62 °F
Mostly Clear
Monday
High: 84 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 88. South wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 64. Light southeast wind.
Friday
Sunny, with a high near 87. South wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 62. South wind around 6 mph.
Saturday
Sunny, with a high near 86. South wind 5 to 10 mph.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 62.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 73.
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)
4:16 am CDT Oct 2, 2025
5am CDT Oct 2, 2025-6pm CDT Oct 8, 2025
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