Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Mostly Cloudy
50°F
10°C
| Humidity | 74% |
| Wind Speed | N 12 mph |
| Barometer | 30.45 in (1031.2 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 16 Oct 11:54 pm CDT |
Extended Forecast for
4 Miles W Hardin IL
Frost Advisory October 17, 01:00am until October 17, 09:00am
Overnight
Low: 38 °F
Mostly Clear
Saturday
High: 61 °F
Patchy Frost
then SunnySaturday Night
Low: 38 °F
Clear then
Patchy FrostSunday
High: 67 °F
Patchy Frost
then SunnySunday Night
Low: 39 °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
Detailed Forecast
Overnight
Mostly clear, with a low around 38. North wind 3 to 8 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 61. Light and variable wind.
Saturday Night
Patchy frost after 5am. Otherwise, clear, with a low around 38. Light and variable wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 67. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 39. Light south wind.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 47.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles W Hardin IL
39.16°N 90.69°W (Elev. 430 ft)
39.16°N 90.69°W (Elev. 430 ft)
12:26 am CDT Oct 17, 2026
12am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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