Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fog/Mist
39°F
4°C
| Humidity | 96% |
| Wind Speed | NE 3 mph |
| Barometer | 30.46 in (1031.5 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 1.50 mi |
| Last update | 18 Oct 4:54 am CDT |
Extended Forecast for
Carrollton IL
Frost Advisory until October 18, 09:00am
NOW until 9:00am Sun

Frost Advisory
Overnight

Low: 34 °F
Patchy Frost
Sunday

High: 68 °F
Patchy Frost
then SunnySunday Night

Low: 37 °F
Clear
Monday

High: 70 °F
Sunny
Monday Night

Low: 38 °F
Mostly Clear
Tuesday

High: 73 °F
Sunny
Tuesday Night

Low: 41 °F
Mostly Clear
Wednesday

High: 77 °F
Sunny
Detailed Forecast
Overnight
Patchy frost. Otherwise, clear, with a low around 34. Southeast wind around 5 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 68. South wind 5 to 8 mph.
Sunday Night
Clear, with a low around 37. Light southeast wind.
Monday
Sunny, with a high near 70. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Carrollton IL
39.29°N 90.4°W (Elev. 568 ft)
39.29°N 90.4°W (Elev. 568 ft)
3:16 am CDT Oct 18, 2026
5am CDT Oct 18, 2026-6pm CDT Oct 24, 2026



