Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Partly Cloudy

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in (1019.2 mb)
Dewpoint 60°F (16°C)
Visibility 9.00 mi
Last update 28 Aug 4:56 am CDT
Extended Forecast for

Sesser IL

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 91. Calm wind.

    High: 91 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Light south southeast wind becoming south southwest 6 to 11 mph in the morning.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. South southwest wind 5 to 10 mph.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind 5 to 7 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Southwest wind 5 to 8 mph.

    High: 98 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming northeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 64. Calm wind.
Saturday
Increasing clouds, with a high near 91. Calm wind.
Saturday Night
Partly cloudy, with a low around 66. Calm wind.
Sunday
Sunny, with a high near 95. Light south southeast wind becoming south southwest 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. South wind around 6 mph.
Monday
Sunny and hot, with a high near 97. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 74. South wind 5 to 7 mph.
Tuesday
Sunny and hot, with a high near 98. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Wednesday
Sunny and hot, with a high near 99. Southwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 76. Light south southwest wind.
Thursday
A slight chance of showers. Sunny and hot, with a high near 100. Southwest wind 3 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.09°N 89.04°W
1:26 am CDT Aug 28, 2026
5am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database