Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33° N Lon: 88.85° W Elev: 466 ft.

Fog/Mist

54°F

12°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.22 in (1024.1 mb)
Dewpoint 52°F (11°C)
Visibility 2.50 mi
Wind Chill52°F (11°C)
Last update 24 Dec 10:56 am CST
Detailed forecast for

Jefferson County

Today
Areas of dense fog this morning. Cloudy with patchy drizzle. Highs in the mid 60s. East winds around 5 mph, becoming southeast this afternoon.
Tonight
Mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Christmas Day
Mostly cloudy. Highs in the mid 60s. West winds around 5 mph, becoming southeast in the afternoon.
Thursday Night
Mostly cloudy. Near steady temperature in the upper 50s. South winds 5 to 10 mph.
Friday
Mostly sunny. Highs in the lower 70s. Southwest winds 10 to 15 mph.
Friday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Saturday And Saturday Night
Mostly cloudy. Highs in the upper 60s. Lows in the upper 40s.
Sunday
Mostly cloudy with a 40 percent chance of showers. Highs in the mid 50s. Temperature falling into the lower 40s in the afternoon.
Sunday Night
Partly cloudy in the evening, then clearing. Much cooler with lows around 20.
Monday And Monday Night
Mostly clear. Highs in the upper 20s. Lows 15 to 20.
Tuesday
Mostly sunny. Highs in the lower 30s.



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1043 AM CST Wed Dec 24 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database