Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93° N Lon: 90.43° W Elev: 436 ft.

Fair

58°F

14°C

Humidity 87%
Wind Speed E 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Sep 4:54 am CDT
Detailed forecast for

Jersey County

Today
Mostly sunny. Highs in the mid 80s. South winds around 5 mph, becoming southwest around 5 mph this afternoon.
Tonight
Partly cloudy. Lows in the upper 50s. East winds around 5 mph.
Thursday
Sunny. Highs in the upper 80s. East winds around 5 mph.
Thursday Night
Clear. Lows in the lower 60s. East winds around 5 mph.
Friday
Sunny. Highs in the lower 90s. Southeast winds around 5 mph.
Friday Night Through Monday Night
Partly cloudy. Lows in the upper 60s. Highs in the mid 90s.
Tuesday
Sunny. Highs in the lower 90s.



Basemap Options
Click map to change the forecast location
Loading map...
434 AM CDT Wed Sep 10 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database