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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

17°F

-8°C

Humidity 64%
Wind Speed Vrbl 7 mph
Barometer 30.51 in (1034.3 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 23 Feb 5:56 am CST
Extended Forecast for

Sesser IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 34. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 34 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 48 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South southwest wind 12 to 17 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. West northwest wind around 6 mph becoming light and variable in the afternoon.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East southeast wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 50. East wind 8 to 10 mph becoming northwest in the afternoon.

    High: 50 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 34. North northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 19. Calm wind becoming south around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 48. Breezy, with a south wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 12 to 17 mph becoming west 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Partly sunny, with a high near 53. West northwest wind around 6 mph becoming light and variable in the afternoon.
Wednesday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 38. East southeast wind 3 to 8 mph. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 50. East wind 8 to 10 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 29. North northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 59. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 38. South southwest wind around 7 mph.
Saturday
Sunny, with a high near 64. South southwest wind 6 to 10 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 35. South wind 8 to 10 mph becoming north after midnight. Winds could gust as high as 18 mph.
Sunday
A chance of showers. Partly sunny, with a high near 52. North northeast wind around 11 mph, with gusts as high as 18 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:
4:42 am CST Feb 23, 2026
Forecast Valid:
6am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation