Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

N/A

Humidity NA
Wind Speed Calm
Barometer 30.23 in
Dewpoint N/A
Visibility 10.00 mi
Last update 4 Dec 9:56 pm CST
Extended Forecast for

Sesser IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. Southwest wind around 6 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 43. West southwest wind around 5 mph becoming light and variable  in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight.  Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Sunday

    Sunday: A 20 percent chance of showers before noon.  Mostly cloudy, with a high near 42. East wind 5 to 10 mph becoming north northwest in the morning.

    High: 42 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of rain and snow showers before midnight.  Mostly cloudy, with a low around 20. North wind 6 to 10 mph.  Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. North wind around 6 mph becoming light and variable  in the afternoon.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 9 mph in the evening.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Calm wind.
Friday
Sunny, with a high near 42. Calm wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
Increasing clouds, with a low around 28. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 43. West southwest wind around 5 mph becoming light and variable in the afternoon.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 29. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 42. East wind 5 to 10 mph becoming north northwest in the morning.
Sunday Night
A slight chance of rain and snow showers before midnight. Mostly cloudy, with a low around 20. North wind 6 to 10 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 35. North wind around 6 mph becoming light and variable in the afternoon.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest 5 to 9 mph in the evening.
Tuesday
Mostly sunny, with a high near 46. Southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 33. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. South southwest wind 11 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 25. Northwest wind 7 to 10 mph.
Thursday
Partly sunny, with a high near 36. West northwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.09°N 89.04°W
10:26 pm CST Dec 4, 2025
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database