Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
37°F
3°C
| Humidity | 82% |
| Wind Speed | SE 10 mph |
| Barometer | 29.91 in (1012.9 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 9.00 mi |
| Wind Chill | 30°F (-1°C) |
| Last update | 6 Dec 11:54 pm CST |
Extended Forecast for
4 Miles WSW Hardin IL
Overnight

Low: 34 °F
Chance Rain
Sunday
High: 36 °F⇓
Slight Chance
Drizzle then
CloudySunday Night

Low: 16 °F
Mostly Cloudy
Monday

High: 31 °F
Gradual
ClearingMonday Night

Low: 23 °F
Partly Cloudy
Tuesday

High: 49 °F
Partly Sunny
Tuesday Night

Low: 37 °F
Mostly Cloudy
Wednesday

High: 44 °F
Partly Sunny
Wednesday Night
Low: 26 °F
Mostly Cloudy
then Slight
Chance Snow
Detailed Forecast
Overnight
A 30 percent chance of rain, mainly before 1am. Cloudy, with a low around 34. South wind 5 to 7 mph.
Sunday
A slight chance of drizzle before 11am. Cloudy, with a temperature falling to around 30 by 5pm. Light and variable wind becoming north 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 16. North wind 5 to 11 mph, with gusts as high as 20 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 31. North wind around 5 mph becoming calm in the morning.
Monday Night
Partly cloudy, with a low around 23. Southwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Partly sunny, with a high near 25.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 21.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Hardin IL
39.14°N 90.69°W (Elev. 430 ft)
39.14°N 90.69°W (Elev. 430 ft)
9:46 pm CST Dec 6, 2025
12am CST Dec 7, 2025-6pm CST Dec 13, 2025


