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.

Fair

N/A

Humidity NA
Wind Speed Calm
Barometer 30.26 in
Dewpoint N/A
Visibility 9.00 mi
Last update 8 Dec 7:56 pm CST
Extended Forecast for

4 Miles WNW Macedonia IL

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 26 by 10pm, then rising to around 32 during the remainder of the night. Light and variable wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph.

    Low: 26 °F⇑

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 48. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 48 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a temperature rising to around 45 by 4am. Southwest wind 15 to 17 mph, with gusts as high as 28 mph.

    Low: 42 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Breezy, with a west southwest wind 13 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 50 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming light west northwest after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 39. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 39 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28. Southeast wind 5 to 8 mph becoming north northeast in the evening.

    Low: 28 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 40. East northeast wind 8 to 14 mph becoming northwest in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17. North northwest wind 8 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a temperature falling to near 26 by 10pm, then rising to around 32 during the remainder of the night. Light and variable wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 48. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly cloudy, with a temperature rising to around 45 by 4am. Southwest wind 15 to 17 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 50. Breezy, with a west southwest wind 13 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 39. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 28. Southeast wind 5 to 8 mph becoming north northeast in the evening.
Friday
Mostly cloudy, with a high near 40. East northeast wind 8 to 14 mph becoming northwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 17. North northwest wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 28. North wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 15. North northeast wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 31. North northeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 20. East southeast wind 3 to 6 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 41. East southeast wind 6 to 10 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Macedonia IL
 38.06°N 88.76°W
Last Update:
7:01 pm CST Dec 8, 2025
Forecast Valid:
8pm CST Dec 8, 2025-6pm CST Dec 15, 2025
 
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Additional Resources

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Chance of Precipitation