National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles W Nason IL

  • Today

    Today: Increasing clouds, with a high near 64. South southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. North wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 48. North northwest wind 3 to 6 mph.

    High: 48 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy, with a high near 47. Calm wind becoming southeast around 6 mph in the morning.

    High: 47 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Light east wind.

    Low: 34 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. East wind 3 to 6 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain. Cloudy, with a high near 50. East wind 6 to 10 mph.

    High: 50 °F

    Chance Rain

Detailed Forecast

Today
Increasing clouds, with a high near 64. South southwest wind 7 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Tonight
Mostly cloudy, with a low around 30. North wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 48. North northwest wind 3 to 6 mph.
Wednesday Night
Increasing clouds, with a low around 29. Calm wind.
Thursday
Cloudy, with a high near 47. Calm wind becoming southeast around 6 mph in the morning.
Thursday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34. Light east wind.
Friday
Partly sunny, with a high near 50. East wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 35. Calm wind becoming east around 6 mph after midnight.
Saturday
A chance of rain. Cloudy, with a high near 50. East wind 6 to 10 mph.
Saturday Night
Rain likely. Cloudy, with a low around 41. East wind around 10 mph, with gusts as high as 20 mph.
Sunday
A chance of rain. Partly sunny, with a high near 53. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 34. North northwest wind around 6 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 58. Calm wind becoming south around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Nason IL
 38.18°N 89.01°W
Last Update:
4:52 am CST Feb 10, 2026
Forecast Valid:
5am CST Feb 10, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation