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.

Light Rain

65°F

18°C

Humidity 81%
Wind Speed S 17 G 21 mph
Barometer 29.64 in (1003.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 8 Jan 5:56 pm CST
Extended Forecast for

2 Miles W Sesser IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Low around 50. Breezy, with a south wind 15 to 23 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%.

    Low: 50 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a temperature falling to around 49 by 5pm. West wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 53 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Light north northeast wind.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 47. West northwest wind 5 to 14 mph, with gusts as high as 20 mph.

    High: 47 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 35. West northwest wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 46. South southwest wind 6 to 14 mph, with gusts as high as 18 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South southwest wind 7 to 9 mph.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then a slight chance of showers between 1am and 2am. Low around 50. Breezy, with a south wind 15 to 23 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%.
Friday
Partly sunny, with a temperature falling to around 49 by 5pm. West wind 6 to 14 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 42. Light north northeast wind.
Saturday
A 20 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 47. West northwest wind 5 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 26. West northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 35. West northwest wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 24. Calm wind becoming south southwest around 5 mph after midnight.
Monday
Sunny, with a high near 46. South southwest wind 6 to 14 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 7 to 9 mph.
Tuesday
Partly sunny, with a high near 53. South southwest wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 36. South southwest wind 7 to 9 mph becoming west northwest after midnight.
Wednesday
Mostly cloudy, with a high near 44. Northwest wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 24. North northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 37. Northwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Sesser IL
 38.1°N 89.1°W
Last Update:
5:21 pm CST Jan 8, 2026
Forecast Valid:
6pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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Chance of Precipitation