Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair
16°F
-9°C
| Humidity | 77% |
| Wind Speed | W 7 mph |
| Barometer | 30.42 in (1030.8 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 30 Dec 6:54 am CST |
Extended Forecast for
3 Miles SSW Dow IL
Today
High: 34 °F
Increasing
CloudsTonight
Low: 27 °F
Partly Cloudy
Wednesday
High: 42 °F
Partly Sunny
Wednesday Night
Low: 24 °F
Partly Cloudy
New Year's Day
High: 36 °F
Mostly Sunny
Thursday Night
Low: 27 °F
Mostly Cloudy
Friday
High: 42 °F
Mostly Cloudy
Friday Night
Low: 25 °F
Mostly Cloudy
Saturday
High: 40 °F
Mostly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 34. West wind 8 to 11 mph.
Tonight
Partly cloudy, with a low around 27. West wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 42. West wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 24. West wind around 7 mph becoming north after midnight.
New Year's Day
Mostly sunny, with a high near 36. North wind 5 to 7 mph becoming light and variable in the afternoon.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 32.
Monday
Sunny, with a high near 48.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Dow IL
39°N 90.33°W (Elev. 597 ft)
39°N 90.33°W (Elev. 597 ft)
5:06 am CST Dec 30, 2025
7am CST Dec 30, 2025-6pm CST Jan 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
