Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy snow in the Rockies, Fire weather threat in the Southwest, and Heavy rainfall threat for the weekend in the Southern Plains into the Ohio Valley

Heavy snow is expected in the northern and central Rockies. There is a critical to elevated fire risk across the Southwest. A few severe storms are expected from the Southeast States into the Great Lakes and portions of the Central Plains on Thursday. Heavy rainfall is forecast through the weekend with a threat for significant flooding for the Southern Plains into the Mississippi Valley Read More >

Current conditions at

Mount Vernon, Mount Vernon Airport (KMVN)

Lat: 38.32° N Lon: 88.87° W Elev: 479 ft.

A Few Clouds

58°F

14°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 27 Apr 5:56 pm CDT
Detailed forecast for

Jefferson County

Tonight
Mostly cloudy. A 40 percent chance of showers after midnight. Lows in the lower 50s. Southeast winds around 5 mph.
Friday
Mostly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Southeast winds 10 to 15 mph. Chance of precipitation 50 percent.
Friday Night
Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. South winds 5 to 10 mph. Chance of precipitation 80 percent.
Saturday
Showers and thunderstorms likely. Some thunderstorms may produce heavy rainfall. Highs in the upper 70s. Southeast winds 10 to 15 mph. Chance of precipitation 70 percent.
Saturday Night
Showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the mid 60s. South winds 10 to 15 mph. Chance of precipitation 80 percent.
Sunday
Showers and thunderstorms. Highs in the mid 70s. Chance of precipitation 90 percent.
Sunday Night
Showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 90 percent.
Monday
Partly sunny. Highs in the upper 50s.
Monday Night
Mostly clear. Lows in the mid 40s.
Tuesday
Partly sunny. A 20 percent chance of showers in the afternoon. Highs in the upper 60s.
Tuesday Night
Mostly cloudy with a 20 percent chance of showers. Lows in the upper 40s.
Wednesday
Partly sunny. A slight chance of showers in the morning, then a chance of showers and a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent.
Wednesday Night
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 40s.
Thursday
Partly sunny with a 30 percent chance of showers. Highs in the lower 60s.



Click Map For Forecast
309 PM CDT Thu Apr 27 2017
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database