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

52°F

11°C

Humidity 97%
Wind Speed NE 5 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 51°F (11°C)
Visibility 9.00 mi
Wind Chill51°F (11°C)
Last update 12 Oct 6:56 am CDT
Extended Forecast for

4 Miles WNW Macedonia IL

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming east southeast around 6 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, clear, with a low around 50. Light east southeast wind.

    Low: 50 °F

    Clear then
    Patchy Fog

  • Columbus Day

    Columbus Day: Patchy fog before 8am. Otherwise, sunny, with a high near 81. Light east northeast wind.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. Light northeast wind.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Northeast wind 3 to 7 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 76. East wind 3 to 8 mph.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming east southeast around 6 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, clear, with a low around 50. Light east southeast wind.
Columbus Day
Patchy fog before 8am. Otherwise, sunny, with a high near 81. Light east northeast wind.
Monday Night
Mostly clear, with a low around 55. Calm wind.
Tuesday
Sunny, with a high near 82. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 57. Light northeast wind.
Wednesday
Sunny, with a high near 78. Northeast wind 3 to 7 mph.
Wednesday Night
Clear, with a low around 51. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. East wind 3 to 8 mph.
Thursday Night
Mostly clear, with a low around 51. East southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 81. South wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 59. South southeast wind 6 to 8 mph.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 7 to 15 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Macedonia IL
 38.06°N 88.76°W
Last Update:
6:16 am CDT Oct 12, 2025
Forecast Valid:
7am CDT Oct 12, 2025-6pm CDT Oct 18, 2025
 
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Additional Resources

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Chance of Precipitation