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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles NNW Macedonia IL

  • Today

    Today: Mostly sunny, with a high near 84. West southwest wind 5 to 8 mph becoming northwest in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 61. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 61 °F

    Decreasing
    Clouds

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Light north wind.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Light south wind.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light south southeast wind.

    Low: 67 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 84. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 66. Southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Showers

  • Monday

    Monday: A chance of showers before 1pm. Partly sunny, with a high near 80. North wind 11 to 13 mph, with gusts as high as 18 mph.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 84. West southwest wind 5 to 8 mph becoming northwest in the afternoon.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 61. North northwest wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 83. Light north wind.
Friday Night
Partly cloudy, with a low around 63. Calm wind.
Saturday
Mostly sunny, with a high near 86. Light south wind.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light south southeast wind.
Sunday
Showers and possibly a thunderstorm. High near 84. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Mostly cloudy, with a low around 66. Southwest wind around 14 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
A chance of showers before 1pm. Partly sunny, with a high near 80. North wind 11 to 13 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 59. North wind 5 to 10 mph becoming light.
Tuesday
Mostly sunny, with a high near 81. North northeast wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 84. Light and variable wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Macedonia IL
 38.11°N 88.73°W
Last Update:
2:01 am CDT Jun 18, 2026
Forecast Valid:
6am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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