Hazardous Weather Conditions

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 66%
Wind Speed SE 3 mph
Barometer 30.19 in (1023.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 1 Feb 7:54 pm CST
Detailed forecast for

Greene County

Tonight
Cloudy. A chance of snow this evening. Not as cool with lows in the lower 20s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight. Chance of snow 50 percent.
Monday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 30s. West winds around 5 mph.
Monday Night
Mostly cloudy. Near steady temperature in the mid 20s. East winds around 5 mph.
Tuesday
Cloudy with a slight chance of snow in the morning, then partly sunny in the afternoon. Highs in the lower 30s. North winds 5 to 10 mph. Chance of snow 20 percent.
Tuesday Night
Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows around 14. North winds around 5 mph.
Wednesday And Wednesday Night
Partly cloudy. Highs in the upper 20s. Lows 10 to 15.
Thursday
Partly sunny. Not as cool with highs in the upper 30s.
Thursday Night And Friday
Partly cloudy. Lows around 30. Highs in the lower 40s.
Friday Night
Partly cloudy. Cooler with lows around 20.
Saturday
Sunny. Highs in the mid 30s.
Saturday Night And Sunday
Partly cloudy. Lows in the lower 20s. Highs around 40.



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854 PM CST Sun Feb 1 2026
 
 

Additional Resources

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Hourly Weather Forecast

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