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

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.16 in (1021.7 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 2 Feb 12:54 am CST
Detailed forecast for

Jersey County

Rest Of Tonight
Mostly cloudy and not as cool. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph.
Monday
Partly sunny. Highs in the mid 30s. West winds around 5 mph.
Monday Night
Mostly cloudy. Near steady temperature in the mid 20s. East winds around 5 mph.
Tuesday
Mostly 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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128 AM CST Mon Feb 2 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database