National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

34°F

1°C

Humidity 89%
Wind Speed Calm
Barometer 30.09 in (1019.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 12 Nov 6:56 am CST
Extended Forecast for

2 Miles SW Sesser IL

  • Today

    Today: Sunny, with a high near 64. West northwest wind 6 to 9 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. South wind around 6 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73. South southwest wind 6 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. South southwest wind 7 to 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. South southwest wind 10 to 18 mph, with gusts as high as 24 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. Southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 64. North northwest wind 6 to 11 mph.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. West northwest wind 6 to 9 mph.
Tonight
Mostly clear, with a low around 38. Calm wind.
Thursday
Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 47. South wind around 6 mph.
Friday
Mostly sunny, with a high near 73. South southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 57. South southwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 76. South southwest wind 10 to 18 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 49. Southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 64. North northwest wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 40. North northwest wind around 5 mph becoming light and variable.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60. East southeast wind 6 to 11 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 44. East southeast wind 7 to 10 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 62. Southeast wind 7 to 11 mph becoming northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Sesser IL
 38.07°N 89.07°W
Last Update:
6:41 am CST Nov 12, 2025
Forecast Valid:
7am CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation