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

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Mostly Cloudy

N/A

Humidity NA
Wind Speed E 7 mph
Barometer 30.33 in
Dewpoint N/A
Visibility 10.00 mi
Last update 29 Nov 12:56 am CST
Extended Forecast for

4 Miles NNE Macedonia IL

  • Overnight

    Overnight: A 40 percent chance of snow, mainly after 4am. Cloudy, with a low around 28. Southeast wind 5 to 7 mph.

    Low: 28 °F

    Chance Snow

  • Saturday

    Saturday: Rain, possibly mixed with snow, becoming all rain after 2pm. High near 41. Southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely before 3am, then a slight chance of snow showers. Cloudy, with a low around 26. South wind 14 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. North northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East wind 3 to 6 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. Light north northeast wind. Chance of precipitation is 60%.

    Low: 23 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly after 4am. Cloudy, with a low around 28. Southeast wind 5 to 7 mph.
Saturday
Rain, possibly mixed with snow, becoming all rain after 2pm. High near 41. Southeast wind 8 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Rain likely before 3am, then a slight chance of snow showers. Cloudy, with a low around 26. South wind 14 to 17 mph becoming west northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Mostly cloudy, with a high near 32. West northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 21. North northwest wind 5 to 8 mph becoming light and variable after midnight.
Monday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East wind 3 to 6 mph.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 23. Light north northeast wind. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 18. Calm wind.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming south southwest 5 to 8 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind becoming west northwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 35. Northwest wind around 6 mph.
Thursday Night
A slight chance of freezing rain. Mostly cloudy, with a low around 21. Calm wind becoming south southeast around 5 mph after midnight.
Friday
A slight chance of showers. Mostly cloudy, with a high near 40. South southwest wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Macedonia IL
 38.1°N 88.67°W
Last Update:
10:26 pm CST Nov 28, 2025
Forecast Valid:
1am CST Nov 29, 2025-6pm CST Dec 5, 2025
 
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Additional Resources

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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