Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
81°F
27°C
| Humidity | 34% |
| Wind Speed | NW 8 mph |
| Barometer | 30.15 in (1020.8 mb) |
| Dewpoint | 50°F (10°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 4 Oct 4:54 pm CDT |
Extended Forecast for
Hardin IL
Tonight
Low: 49 °F
Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 47 °F
Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 55 °F
Clear
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 56 °F
Mostly Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 49. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 76. Calm wind becoming northeast around 5 mph.
Monday Night
Clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 80. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Clear, with a low around 55. Light south wind.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hardin IL
39.16°N 90.61°W (Elev. 427 ft)
39.16°N 90.61°W (Elev. 427 ft)
1:26 pm CDT Oct 4, 2026
5pm CDT Oct 4, 2026-6pm CDT Oct 11, 2026
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