Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
39°F
4°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.47 in (1031.9 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 5:54 am CDT |
Extended Forecast for
3 Miles SE Hardin IL
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun
Frost Advisory
Today
High: 70 °F
Patchy Frost
and Patchy
Fog then
SunnyTonight
Low: 41 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 41 °F
Partly Cloudy
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 43 °F
Mostly Clear
Wednesday
High: 78 °F
Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Today
Patchy fog between 7am and 8am. Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 70. South wind 3 to 8 mph.
Tonight
Clear, with a low around 41. Light southeast wind.
Monday
Sunny, with a high near 72. Light and variable wind.
Monday Night
Partly cloudy, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 75. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Hardin IL
39.12°N 90.58°W (Elev. 430 ft)
39.12°N 90.58°W (Elev. 430 ft)
5:26 am CDT Oct 18, 2026
6am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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