Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
45°F
7°C
| Humidity | 97% |
| Wind Speed | Calm |
| Barometer | 30.17 in (1021.5 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 1.25 mi |
| Last update | 4 Oct 4:54 am CDT |
Extended Forecast for
Hardin IL
Today
High: 78 °F
Sunny
Tonight
Low: 49 °F
Mostly Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 48 °F
Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 55 °F
Clear
Wednesday
High: 82 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Thursday
High: 80 °F
Sunny then
Slight Chance
Showers
Detailed Forecast
Today
Sunny, with a high near 78. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 49. North wind 3 to 5 mph.
Monday
Sunny, with a high near 73. Calm wind becoming northeast around 5 mph.
Monday Night
Clear, with a low around 48. Calm wind.
Tuesday
Sunny, with a high near 77. South wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 55.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
A 20 percent chance of showers after 1pm. Sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hardin IL
39.16°N 90.64°W (Elev. 692 ft)
39.16°N 90.64°W (Elev. 692 ft)
4:51 am CDT Oct 4, 2026
5am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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