Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

67°F

19°C

Humidity 61%
Wind Speed N 3 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 10 Oct 6:56 pm CDT
Extended Forecast for

Sesser IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. East wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 84. Northwest wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.

    High: 92 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. South southwest wind 7 to 9 mph.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind 8 to 13 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.

    Low: 67 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 86. West southwest wind 5 to 9 mph becoming north in the afternoon.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. East wind 5 to 8 mph.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. East wind 5 to 8 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 84. Northwest wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 60. Light and variable wind.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 92. Light south southwest wind becoming southwest 9 to 14 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 66. South southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 93. Southwest wind 8 to 13 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. West southwest wind 5 to 9 mph becoming north in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind 5 to 8 mph.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. East wind 9 to 13 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South southwest wind 7 to 11 mph becoming west after midnight.
Friday
A slight chance of showers. Partly sunny, with a high near 73. Breezy, with a northwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 9 to 16 mph.
Saturday
Mostly sunny, with a high near 65. North northwest wind 11 to 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Sesser IL
 38.07°N 89.07°W
2:26 pm CDT Oct 10, 2026
7pm CDT Oct 10, 2026-6pm CDT Oct 17, 2026
 
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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