Heat Will Continue in the Mid-Atlantic and Southeast

A very hot and humid airmass will persist over portions of the mid-Atlantic and southeast. Afternoon high temperatures in these areas are forecast to reach 95 to 100 degrees with heat index values ranging from 100 to 110 degrees. Hot temperatures are also expected over portions of the west. In the central and northern Plains, strong to severe thunderstorms are possible. Read More >

Current conditions at

Mount Vernon, Mount Vernon Airport (KMVN)

Lat: 38.32°NLon: 88.87°WElev: 479ft.

Overcast

73°F

23°C

Humidity 89%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 70°F (21°C)
Visibility 1.00 mi
Last update 26 Jul 5:15 am CDT
Extended Forecast for

3 Miles ESE Sesser IL

  • Overnight

    Overnight: Isolated showers and thunderstorms.  Areas of dense fog.  Otherwise, mostly cloudy, with a low around 75. Calm wind.  Chance of precipitation is 20%.

    Isolated
    T-storms and
    Areas Dense
    Fog

    Low: 75 °F

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 8am.  Areas of dense fog before 8am.  Otherwise, mostly cloudy, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 50%.

    Scattered
    T-storms and
    Areas Dense
    Fog

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 72. Light and variable wind.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly cloudy, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 87 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: Showers and thunderstorms likely.  Mostly cloudy, with a high near 86. Calm wind becoming north around 5 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    High: 86 °F

  • Thursday
    Night

    Thursday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. West southwest wind around 5 mph becoming light and variable  in the evening.

    Chance
    T-storms

    Low: 70 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 86. West southwest wind 5 to 7 mph.

    Chance
    T-storms

    High: 86 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. West wind 3 to 6 mph.

    Chance
    T-storms

    Low: 69 °F

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Areas of dense fog. Otherwise, mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Tuesday
Scattered showers and thunderstorms, mainly after 8am. Areas of dense fog before 8am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72. Light and variable wind.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 5 mph becoming calm in the evening.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 86. Calm wind becoming north around 5 mph. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West southwest wind around 5 mph becoming light and variable in the evening.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. West southwest wind 5 to 7 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. West wind 3 to 6 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. North wind 6 to 8 mph becoming west in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. West wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 70. South southeast wind around 6 mph.
Monday
Mostly sunny, with a high near 87. South wind 6 to 8 mph.
Click Map For Forecast
Point Forecast:
3 Miles ESE Sesser IL
 38.07°N 89.01°W
5:15 am CDT Jul 26, 2016
5am CDT Jul 26, 2016-6pm CDT Aug 1, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database