Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

55°F

13°C

Humidity 44%
Wind Speed NE 9 mph
Barometer 30.32 in (1027.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 7 Apr 4:56 pm CDT
Extended Forecast for

Nason IL

  • Tonight

    Tonight: Mostly clear, with a low around 40. East wind around 7 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. South wind 6 to 10 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind 7 to 9 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. South wind around 7 mph.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 75. South southwest wind 7 to 9 mph becoming west in the afternoon.  Chance of precipitation is 40%.

    High: 75 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming light and variable.

    Low: 54 °F

    Chance
    T-storms

  • Saturday

    Saturday: Partly sunny, with a high near 77. East northeast wind around 6 mph becoming southeast in the afternoon.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. East southeast wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 40. East wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. South wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 7 to 9 mph.
Thursday
Sunny, with a high near 76. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. South wind around 7 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. South southwest wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northwest wind around 5 mph becoming light and variable.
Saturday
Partly sunny, with a high near 77. East northeast wind around 6 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 58. East southeast wind around 6 mph.
Sunday
Mostly sunny, with a high near 83. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 11 to 16 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 28 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South southwest wind around 16 mph, with gusts as high as 24 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
4:07 pm CDT Apr 7, 2026
5pm CDT Apr 7, 2026-6pm CDT Apr 14, 2026
 
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Additional Resources

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