Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

59°F

15°C

Humidity 81%
Wind Speed S 9 mph
Barometer 29.68 in (1005.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Feb 7:56 pm CST
Extended Forecast for

2 Miles W Nason IL

  • Tonight

    Tonight: Increasing clouds, with a low around 53. South wind around 6 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 3pm.  Patchy fog between 7am and 8am.  Otherwise, mostly cloudy, with a high near 68. South wind 6 to 16 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 9pm.  Mostly clear, with a low around 41. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 41 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 46. North wind 5 to 9 mph.

    High: 46 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. South wind around 6 mph.
Thursday
Showers and thunderstorms likely, mainly before 3pm. Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 68. South wind 6 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers before 9pm. Mostly clear, with a low around 41. Southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 53. West wind 6 to 14 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 46. North wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 25. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 21. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 39. North northwest wind 5 to 10 mph becoming light in the afternoon.
Monday Night
Mostly clear, with a low around 20. Calm wind.
Tuesday
Mostly sunny, with a high near 48. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind 9 to 13 mph, with gusts as high as 24 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 57. Southwest wind 11 to 15 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
5:41 pm CST Feb 18, 2026
8pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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