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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

51°F

11°C

Humidity 80%
Wind Speed S 7 mph
Barometer 30.14 in (1021.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Feb 9:56 am CST
Extended Forecast for

Sesser IL

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. West southwest wind 7 to 9 mph becoming south in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind around 7 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. South wind 7 to 17 mph, with gusts as high as 31 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 57. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.

    Low: 57 °F

    Decreasing
    Clouds and
    Breezy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind 6 to 8 mph.

    Low: 48 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. South wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 40 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A slight chance of showers after noon. Mostly sunny, with a high near 54. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 62. West southwest wind 7 to 9 mph becoming south in the afternoon.
Tonight
Partly cloudy, with a low around 42. South wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 62. South wind 7 to 17 mph, with gusts as high as 31 mph.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 57. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.
Wednesday
Mostly sunny, with a high near 72. Southwest wind 10 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 48. South wind 6 to 8 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 71. South wind 7 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. West wind around 11 mph, with gusts as high as 21 mph.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 54. West wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 33. North northwest wind around 7 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 50. North northwest wind 6 to 9 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 30. Northwest wind 7 to 10 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 43. Northwest wind 10 to 14 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.09°N 89.04°W
Last Update:
10:36 am CST Feb 16, 2026
Forecast Valid:
10am CST Feb 16, 2026-6pm CST Feb 22, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation