Current conditions at

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

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

Overcast

27°F

-3°C

Humidity 51%
Wind Speed E 3 mph
Barometer 30.25 in (1025.1 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 28 Jan 5:54 pm CST
Detailed forecast for

Greene County

Tonight
Mostly cloudy. Not as cool with lows around 8 above. Northwest winds around 5 mph, becoming northeast around 5 mph after midnight.
Thursday
Cloudy. A slight chance of snow in the afternoon. Highs around 19. Northeast winds 5 to 10 mph. Chance of snow 20 percent. Wind chill values as low as 4 below.
Thursday Night
Mostly cloudy. A chance of snow in the evening. Cold with lows around 4 above. North winds around 5 mph. Chance of snow 30 percent.
Friday
Mostly sunny. Highs around 17. North winds 5 to 10 mph. Wind chill values as low as 9 below in the morning.
Friday Night
Mostly cloudy in the evening, then clearing. Cold with lows around 2 above. North winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 14 below.
Saturday And Saturday Night
Partly cloudy. Highs 15 to 20. Lows around zero. Wind chill values as low as 15 below.
Sunday And Sunday Night
Mostly cloudy. A 20 percent chance of snow. Highs in the mid 20s. Lows 10 to 15. Wind chill values as low as 10 below.
Monday Through Tuesday
Mostly cloudy. Highs in the mid 30s. Lows 15 to 20.
Tuesday Night
A chance of rain in the evening. Mostly cloudy with a chance of snow. Lows in the mid 20s. Chance of precipitation 40 percent.
Wednesday
A chance of rain in the morning. Mostly cloudy with a chance of snow. Highs in the mid 30s. Chance of precipitation 30 percent.



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539 PM CST Wed Jan 28 2026
 
 

Additional Resources

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