Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

52°F

11°C

Humidity 86%
Wind Speed Vrbl 6 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 6 Nov 4:56 am CST
Extended Forecast for

2 Miles SSW Nason IL

Freeze Watch November 7, 11:00pm until November 8, 08:00am
Freeze Warning November 6, 11:00pm until November 7, 08:00am
Click here for hazard details and duration
Freeze Watch
Freeze Warning
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 49 by 5pm. North northwest wind 10 to 14 mph.

    High: 53 °F⇓

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy frost after midnight.  Otherwise, clear, with a low around 32. North wind 3 to 8 mph.

    Low: 32 °F

    Clear then
    Patchy Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 51. North northwest wind around 5 mph becoming calm  in the afternoon.

    High: 51 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am.  Otherwise, mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 7am.  Otherwise, sunny, with a high near 61. West southwest wind 3 to 6 mph.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 44. Light west southwest wind.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. West southwest wind 3 to 7 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. West wind around 5 mph becoming calm  in the afternoon.

    High: 65 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 49 by 5pm. North northwest wind 10 to 14 mph.
Tonight
Patchy frost after midnight. Otherwise, clear, with a low around 32. North wind 3 to 8 mph.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51. North northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 37. Light and variable wind.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 61. West southwest wind 3 to 6 mph.
Sunday Night
Clear, with a low around 44. Light west southwest wind.
Monday
Sunny, with a high near 65. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 48. West southwest wind 3 to 7 mph.
Tuesday
Sunny, with a high near 65. West wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. Calm wind.
Veterans Day
A slight chance of showers. Sunny, with a high near 64. Calm wind becoming west northwest around 5 mph.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 49. North northwest wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 59. North northwest wind 6 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Nason IL
 38.16°N 88.98°W
1:46 am CST Nov 6, 2026
5am CST Nov 6, 2026-6pm CST Nov 12, 2026
 
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Additional Resources

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