Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
52°F
11°C
| Humidity | 83% |
| Wind Speed | NE 3 mph |
| Barometer | 30.32 in (1026.6 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 11:54 pm CDT |
Extended Forecast for
4 Miles WNW Grafton IL
Overnight
Low: 47 °F
Partly Cloudy
Tuesday
High: 72 °F
Sunny
Tuesday Night
Low: 49 °F
Mostly Clear
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 49 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 50 °F
Clear
Friday
High: 74 °F
Sunny
Friday Night
Low: 50 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 47. Light east wind.
Tuesday
Sunny, with a high near 72. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 73. Calm wind.
Wednesday Night
Clear, with a low around 49. Calm wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Partly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Grafton IL
38.98°N 90.5°W (Elev. 620 ft)
38.98°N 90.5°W (Elev. 620 ft)
10:31 pm CDT Oct 19, 2026
12am CDT Oct 20, 2026-6pm CDT Oct 26, 2026
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