Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

56°F

13°C

Humidity 55%
Wind Speed SE 5 mph
Barometer 30.21 in (1023.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 20 Apr 10:56 pm CDT
Extended Forecast for

2 Miles W Nason IL

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind 3 to 6 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Southwest wind 6 to 9 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind 3 to 6 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 62. South wind around 13 mph, with gusts as high as 21 mph.

    Low: 62 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm.  Partly sunny, with a high near 77. Southwest wind around 14 mph, with gusts as high as 22 mph.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 55. West southwest wind 6 to 8 mph becoming north after midnight.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 50. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 76. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 81. South wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62. South wind around 13 mph, with gusts as high as 21 mph.
Friday
Showers and possibly a thunderstorm. Partly sunny, with a high near 77. Southwest wind around 14 mph, with gusts as high as 22 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. West southwest wind 6 to 8 mph becoming north after midnight.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 75. North wind 6 to 8 mph.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Northeast wind around 6 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. North northeast wind around 8 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. East wind 6 to 8 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Southeast wind 8 to 10 mph becoming south southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
11:21 pm CDT Apr 20, 2026
11pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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