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

62°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in (1022.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 3 Oct 11:56 pm CDT
Extended Forecast for

4 Miles NNE Macedonia IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers. Mostly sunny, with a high near 84. South wind 3 to 7 mph.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the morning.

    High: 80 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 57. North northeast wind around 8 mph.

    Low: 57 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming southeast 5 to 9 mph in the morning.
Saturday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light south southeast wind becoming south 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. South southeast wind 3 to 6 mph.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 84. South wind 3 to 7 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Calm wind becoming north 5 to 7 mph in the morning.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 57. North northeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 75. Northeast wind 9 to 13 mph.
Wednesday Night
Mostly clear, with a low around 52. Northeast wind 6 to 9 mph.
Thursday
Sunny, with a high near 75. East wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 50. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 76. Calm wind becoming south southwest 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Macedonia IL
 38.13°N 88.67°W
Last Update:
11:01 pm CDT Oct 3, 2025
Forecast Valid:
12am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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