Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

43°F

6°C

Humidity 63%
Wind Speed E 6 mph
Barometer 30.27 in (1025.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 8 Apr 4:56 am CDT
Extended Forecast for

Nason IL

  • Today

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

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. South wind around 8 mph.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 77 °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 76. Southwest wind 8 to 10 mph.  Chance of precipitation is 50%.

    High: 76 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Light and variable wind.  Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 76. East northeast wind around 6 mph becoming southeast in the afternoon.  Chance of precipitation is 20%.

    High: 76 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. East southeast wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 81. South wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. South wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 54. South wind around 8 mph.
Thursday
Sunny, with a high near 77. 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 76. Southwest wind 8 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Light and variable wind. Chance of precipitation is 40%.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. East northeast wind around 6 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 59. East southeast wind around 6 mph.
Sunday
Partly sunny, with a high near 81. South wind 7 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 65. South wind 11 to 15 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 29 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southwest wind around 16 mph, with gusts as high as 26 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. South southwest wind 15 to 17 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
2:21 am CDT Apr 8, 2026
5am CDT Apr 8, 2026-6pm CDT Apr 14, 2026
 
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