Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
42°F
6°C
| Humidity | 96% |
| Wind Speed | Calm |
| Barometer | 30.37 in (1028.3 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 3:54 am CDT |
Extended Forecast for
3 Miles NW Grafton IL
Today
High: 70 °F
Sunny
Tonight
Low: 48 °F
Partly Cloudy
Tuesday
High: 72 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 50 °F
Clear
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 51 °F
Clear
Friday
High: 76 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 70. Light south wind.
Tonight
Partly cloudy, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 72. Light east wind.
Tuesday Night
Mostly clear, with a low around 48. Calm wind.
Wednesday
Sunny, with a high near 75. Calm wind.
Wednesday Night
Clear, with a low around 50.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles NW Grafton IL
39°N 90.47°W (Elev. 801 ft)
39°N 90.47°W (Elev. 801 ft)
2:41 am CDT Oct 19, 2026
4am CDT Oct 19, 2026-6pm CDT Oct 25, 2026
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