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Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
23°F
-5°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.40 in (1029.7 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Last update | 12 Jan 12:54 am CST |
Extended Forecast for
Hardin IL
Overnight
Low: 24 °F
Clear
Monday
High: 50 °F
Sunny
Monday Night
Low: 35 °F
Partly Cloudy
Tuesday
High: 58 °F
Partly Sunny
Tuesday Night
Low: 36 °F
Slight Chance
Rain then
Mostly CloudyWednesday
High: 42 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyWednesday Night
Low: 17 °F
Partly Cloudy
Thursday
High: 33 °F
Mostly Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 24. Calm wind becoming south 5 to 7 mph.
Monday
Sunny, with a high near 50. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 58. West wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 36. West wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly cloudy, with a high near 42. Breezy.
Wednesday Night
Partly cloudy, with a low around 17.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 30.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 32.
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)
12:31 am CST Jan 12, 2026
1am CST Jan 12, 2026-6pm CST Jan 18, 2026
Additional Resources
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