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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in (1015.9 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Last update 15 Jun 3:56 am CDT
Extended Forecast for

Sesser IL

  • Today

    Today: Patchy fog before 7am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north around 5 mph.

    High: 84 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Light east northeast wind.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 3 to 8 mph.

    High: 89 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind 6 to 9 mph.

    Low: 74 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. West northwest wind around 7 mph.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, partly sunny, with a high near 84. Calm wind becoming north around 5 mph.
Tonight
Mostly cloudy, with a low around 70. Light east northeast wind.
Monday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 81. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 69. Light and variable wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South southwest wind 3 to 8 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South southwest wind 6 to 9 mph.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Juneteenth
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. West northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 92. South southwest wind 6 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.09°N 89.04°W
Last Update:
2:30 am CDT Jun 15, 2025
Forecast Valid:
4am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation