Current conditions at

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

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

Fair

47°F

8°C

Humidity 63%
Wind Speed S 13 mph
Barometer 29.61 in (1002.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 9 Dec 7:54 pm CST
Detailed forecast for

Lincoln County

Tonight
Mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
Wednesday
Partly sunny in the morning, then becoming mostly cloudy. Breezy, cooler with highs in the lower 40s. Northwest winds 15 to 25 mph. Gusts up to 45 mph, decreasing to 35 mph in the afternoon.
Wednesday Night
Mostly cloudy. Cooler with lows in the lower 20s. Northwest winds 5 to 10 mph.
Thursday
Mostly cloudy. Highs in the upper 30s. Southwest winds around 5 mph, becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly cloudy. Lows in the lower 30s. Southeast winds around 5 mph, becoming southwest after midnight.
Friday And Friday Night
Mostly cloudy. Highs around 40. Lows around 20.
Saturday And Saturday Night
Mostly cloudy. Highs in the lower 30s. Lows 5 to 10 above. Wind chill values as low as 5 below.
Sunday
Sunny. Highs in the lower 20s.
Sunday Night And Monday
Partly cloudy. Lows around 10 above. Highs in the upper 30s.
Monday Night And Tuesday
Mostly cloudy. Lows in the lower 20s. Highs in the lower 40s.



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458 PM CST Tue Dec 9 2025
 
 

Additional Resources

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National Digital Forecast Database