Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

N/A

Humidity NA
Wind Speed S 9 mph
Barometer 30.14 in
Dewpoint N/A
Visibility 10.00 mi
Last update 3 Dec 11:56 am CST
Extended Forecast for

Nason IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 36. West wind 5 to 8 mph becoming south southwest.

    High: 36 °F

    Cloudy

  • Tonight

    Tonight: A slight chance of snow showers and freezing rain before 11pm, then a slight chance of snow showers between 11pm and 5am.  Cloudy, with a low around 21. Calm wind becoming north 5 to 9 mph after midnight.  Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 29. North northeast wind 6 to 9 mph.

    High: 29 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Light south southwest wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 44. Calm wind becoming west southwest around 5 mph.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight.  Mostly cloudy, with a low around 28. Calm wind becoming north northeast around 6 mph after midnight.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Sunday

    Sunday: A slight chance of showers before noon.  Partly sunny, with a high near 39. North northeast wind 6 to 9 mph.

    High: 39 °F

    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 36. West wind 5 to 8 mph becoming south southwest.
Tonight
A slight chance of snow showers and freezing rain before 11pm, then a slight chance of snow showers between 11pm and 5am. Cloudy, with a low around 21. Calm wind becoming north 5 to 9 mph after midnight. Chance of precipitation is 20%.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 29. North northeast wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 18. Calm wind.
Friday
Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 26. Light south southwest wind.
Saturday
Partly sunny, with a high near 44. Calm wind becoming west southwest around 5 mph.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind becoming north northeast around 6 mph after midnight.
Sunday
A slight chance of showers before noon. Partly sunny, with a high near 39. North northeast wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 19. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 35. Light and variable wind becoming north around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 23. South southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 45. Southwest wind 8 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nason IL
 38.18°N 88.98°W
12:36 pm CST Dec 3, 2025
12pm CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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