Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

15°F

-9°C

Humidity 91%
Wind Speed Calm
Barometer 30.23 in (1024.9 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 24 Feb 3:56 am CST
Extended Forecast for

Nason IL

  • Today

    Today: Partly sunny, with a high near 49. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 49 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming light west  after midnight. Winds could gust as high as 29 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight.  Mostly cloudy, with a low around 37. Calm wind becoming east northeast 5 to 7 mph in the evening.  Chance of precipitation is 60%.

    Low: 37 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers before noon.  Partly sunny, with a high near 52. East northeast wind 5 to 9 mph becoming north in the afternoon.

    High: 52 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. Light and variable wind.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 61. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. South southwest wind 6 to 9 mph.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 49. Breezy, with a south wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Tonight
Mostly cloudy, with a low around 36. South southwest wind 13 to 18 mph becoming light west after midnight. Winds could gust as high as 29 mph.
Wednesday
Partly sunny, with a high near 54. Light and variable wind.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. Calm wind becoming east northeast 5 to 7 mph in the evening. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 5 to 9 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 30. Light and variable wind.
Friday
Sunny, with a high near 61. Calm wind becoming south southwest 5 to 8 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South wind around 7 mph.
Saturday
Sunny, with a high near 66. South southwest wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 33. South wind 7 to 9 mph becoming north in the evening. Winds could gust as high as 18 mph.
Sunday
A slight chance of showers. Partly sunny, with a high near 47. Northeast wind around 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 33. East northeast wind around 9 mph.
Monday
A chance of showers. Partly sunny, with a high near 51. East wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
3:16 am CST Feb 24, 2026
4am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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