Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

34°F

1°C

Humidity 73%
Wind Speed N 9 mph
Barometer 30.30 in (1026.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 23 Mar 6:56 am CDT
Extended Forecast for

Nason IL

  • Today

    Today: Increasing clouds, with a high near 51. North northeast wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 51 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 37. East northeast wind 7 to 10 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57. East wind 5 to 9 mph becoming light east southeast  in the afternoon.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. East southeast wind around 6 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 44. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 44 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 50. North wind 14 to 17 mph, with gusts as high as 24 mph.

    High: 50 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 51. North northeast wind 8 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 37. East northeast wind 7 to 10 mph.
Tuesday
Partly sunny, with a high near 57. East wind 5 to 9 mph becoming light east southeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 42. East southeast wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 59. South wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 81. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 44. South southwest wind 14 to 17 mph becoming north after midnight. Winds could gust as high as 24 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 50. North wind 14 to 17 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 33. North wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53. North wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 37. Light and variable wind becoming south southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 60. South wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.16°N 88.95°W
6:46 am CDT Mar 23, 2026
7am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
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Additional Resources

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