Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

70°F

21°C

Humidity 76%
Wind Speed SE 7 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 5 Oct 11:56 pm CDT
Extended Forecast for

Nason IL

  • Overnight

    Overnight: Clear, with a low around 63. Calm wind becoming south southeast around 6 mph.

    Low: 63 °F

    Clear

  • Monday

    Monday: Showers likely and possibly a thunderstorm, mainly after 1pm.  Increasing clouds, with a high near 84. South southeast wind 5 to 9 mph.  Chance of precipitation is 60%.

    High: 84 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. South southeast wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 79. Calm wind becoming north northwest 5 to 9 mph in the morning.  Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. North northeast wind 8 to 10 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Northeast wind 9 to 13 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 47. Northeast wind 6 to 8 mph.

    Low: 47 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 73. East northeast wind 6 to 8 mph.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 63. Calm wind becoming south southeast around 6 mph.
Monday
Showers likely and possibly a thunderstorm, mainly after 1pm. Increasing clouds, with a high near 84. South southeast wind 5 to 9 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Calm wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 54. North northeast wind 8 to 10 mph.
Wednesday
Sunny, with a high near 74. Northeast wind 9 to 13 mph.
Wednesday Night
Clear, with a low around 47. Northeast wind 6 to 8 mph.
Thursday
Sunny, with a high near 73. East northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 45. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming east northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Light east northeast wind.
Saturday
Sunny, with a high near 78. Calm wind becoming east southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 50. Light east southeast wind.
Sunday
Sunny, with a high near 79. Calm wind becoming south southeast 5 to 8 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
11:16 pm CDT Oct 5, 2025
12am CDT Oct 6, 2025-6pm CDT Oct 12, 2025
 
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Additional Resources

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