National Weather Service

News Headlines

Current conditions at

Mount Vernon Airport (KMVN)

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

Fair

73°F

23°C

Humidity	69%
Wind Speed	S 10 mph
Barometer	30.06 in (1017.7 mb)
Dewpoint	62°F (17°C)
Visibility	10.00 mi
Last update	5 Jun 7:56 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Jefferson County

Today

Mostly sunny. Highs in the upper 80s. South winds 10 to 15 mph.

Tonight

Partly cloudy. Lows around 70. South winds 10 to 15 mph, becoming southwest around 5 mph after midnight.

Saturday

Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.

Saturday Night

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. Southwest winds 5 to 10 mph.

Sunday

Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph. Chance of rain 60 percent.

Sunday Night

A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 70 percent.

Monday

Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 90 percent.

Monday Night

Showers likely with a chance of thunderstorms in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 70 percent.

Tuesday

Partly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

Tuesday Night

Partly cloudy. A chance of showers after midnight. Lows in the lower 70s. Chance of rain 50 percent.

Wednesday

Mostly sunny. Highs in the lower 90s.

Wednesday Night And Thursday

Mostly clear. Lows in the mid 70s. Highs in the lower 90s.