


News Headlines
Hazardous Weather Conditions

Current conditions at
Mount Vernon Airport (KMVN)
Lat: 38.33° N Lon: 88.85° W Elev: 466 ft.
Fair
91°F
33°C
Humidity | 56% |
Wind Speed | SE 7 mph |
Barometer | 30.07 in (1018.1 mb) |
Dewpoint | 73°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 100°F (38°C) |
Last update | 17 Aug 12:56 pm CDT |
Detailed forecast for
Jefferson County
This Afternoon
Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the upper 90s. East winds around 5 mph. Chance of rain 20 percent.
Tonight
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the mid 70s. East winds around 5 mph. Chance of rain 20 percent.
Monday
Sunny, hot with highs in the upper 90s. East winds around 5 mph. Highest heat index readings heat index readings up to 105 in the afternoon.
Monday Night
Mostly clear. Lows in the mid 70s. Southeast winds around 5 mph.
Tuesday
Mostly sunny. Hot with highs in the mid 90s. Southwest winds around 5 mph, becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 40 percent.
Wednesday
Partly sunny. A chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of rain 30 percent.
Wednesday Night And Thursday
Partly cloudy. Lows in the upper 60s. Highs in the upper 80s.
Thursday Night Through Saturday
Mostly clear. Lows in the upper 60s. Highs around 90.
Basemap Options
Click map to change the forecast location
Loading map...