Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
41°F
5°C
| Humidity | 89% |
| Wind Speed | E 3 mph |
| Barometer | 30.01 in (1016.1 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Mar 4:54 am CDT |
Extended Forecast for
4 Miles SSW Hardin IL
Today
High: 73 °F
Becoming
SunnyTonight
Low: 50 °F
Mostly Clear
Friday
High: 80 °F
Sunny
Friday Night
Low: 50 °F
Partly Cloudy
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 82 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Partly Cloudy
Monday
High: 53 °F
Sunny
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 73. Light south wind.
Tonight
Mostly clear, with a low around 50. Calm wind becoming southwest around 5 mph after midnight.
Friday
Sunny, with a high near 80. West wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 50. West wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 79. Light and variable wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 70.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Hardin IL
39.1°N 90.64°W (Elev. 758 ft)
39.1°N 90.64°W (Elev. 758 ft)
3:07 am CDT Mar 19, 2026
5am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
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