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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
25°F
-4°C
| Humidity | 66% |
| Wind Speed | Calm |
| Barometer | 30.45 in (1031.4 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Last update | 4 Feb 9:54 am CST |
Extended Forecast for
4 Miles SSW Hardin IL
Today
High: 30 °F
Partly Sunny
Tonight
Low: 17 °F
Mostly Clear
Thursday
High: 40 °F
Partly Sunny
Thursday Night
Low: 31 °F
Mostly Clear
Friday
High: 48 °F
Mostly Sunny
Friday Night
Low: 24 °F
Mostly Clear
Saturday
High: 39 °F
Mostly Sunny
Saturday Night
Low: 31 °F
Partly Cloudy
Sunday
High: 49 °F
Mostly Sunny
Detailed Forecast
Today
Partly sunny, with a high near 30. North wind around 7 mph.
Tonight
Mostly clear, with a low around 17. North wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 40. Southwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 31. West wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 24 mph.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 29.
Monday
Mostly sunny, with a high near 50.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 57.
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)
8:57 am CST Feb 4, 2026
10am CST Feb 4, 2026-6pm CST Feb 10, 2026
Additional Resources
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