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.

57°F

14°C

Humidity 55%
Wind Speed S 6 mph
Barometer 30.11 in (1020.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 19 Mar 9:56 am CDT
Extended Forecast for

2 Miles W Nason IL

  • Today

    Today: Sunny, with a high near 72. South wind 3 to 6 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind becoming south around 5 mph after midnight.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. South southwest wind 5 to 8 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Calm wind becoming south around 6 mph after midnight.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. West southwest wind 13 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 56. North wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 51. Calm wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 79. South southwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 57. Calm wind becoming south around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 83. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 41. West southwest wind 13 to 15 mph becoming north after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 56. North wind 9 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 35. East northeast wind around 6 mph.
Tuesday
Partly sunny, with a high near 59. East wind around 6 mph.
Tuesday Night
Mostly cloudy, with a low around 39. East wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 69. East wind 6 to 10 mph becoming south in the afternoon.
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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:
8:32 am CDT Mar 19, 2026
Forecast Valid:
10am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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