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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

23°F

-5°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 29.99 in (1016.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 17 Jan 3:56 am CST
Extended Forecast for

Sesser IL

  • Overnight

    Overnight: A chance of flurries. Mostly clear, with a steady temperature around 26. Northwest wind around 5 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Chance
    Flurries

  • Saturday

    Saturday: A chance of flurries with a slight chance of snow showers between 11am and noon, then a chance of flurries after noon. Increasing clouds, with a steady temperature around 26. West northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow Showers
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of flurries after noon. Increasing clouds, with a high near 32. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 32 °F

    Chance
    Flurries

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 15 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 23. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 23 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. South wind 11 to 16 mph, with gusts as high as 26 mph.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of flurries. Mostly clear, with a steady temperature around 26. Northwest wind around 5 mph, with gusts as high as 21 mph.
Saturday
A chance of flurries with a slight chance of snow showers between 11am and noon, then a chance of flurries after noon. Increasing clouds, with a steady temperature around 26. West northwest wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 13. West northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
A chance of flurries after noon. Increasing clouds, with a high near 32. South southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 15. South southwest wind 10 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
M.L.King Day
Mostly sunny, with a high near 23. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 10. Northwest wind around 6 mph becoming calm.
Tuesday
Sunny, with a high near 36. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 28. South wind 11 to 16 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 46. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 22. West southwest wind around 7 mph becoming north after midnight.
Thursday
A slight chance of snow showers. Mostly sunny, with a high near 35. North northwest wind 6 to 8 mph.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 19. North wind around 6 mph becoming southeast after midnight.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 36. Southeast wind 6 to 9 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.09°N 89.04°W
Last Update:
4:06 am CST Jan 17, 2026
Forecast Valid:
4am CST Jan 17, 2026-6pm CST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation