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

75°F

24°C

Humidity 33%
Wind Speed S 3 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 6 Oct 5:56 pm CDT
Extended Forecast for

5 Miles SW Opdyke IL

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Light northeast wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 8 mph in the morning.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southeast wind 3 to 5 mph.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light south southeast wind becoming south 8 to 13 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 5 to 7 mph.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming north 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 51. Light northeast wind.
Friday
Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 8 mph in the morning.
Friday Night
Clear, with a low around 56. Southeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 88. Light south southeast wind becoming south 8 to 13 mph in the morning.
Saturday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southeast wind 5 to 7 mph.
Sunday
A chance of showers. Partly sunny, with a high near 78. East wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 57. South southeast wind 3 to 7 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. Southwest wind 5 to 13 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Opdyke IL
 38.24°N 88.83°W
Last Update:
5:51 pm CDT Oct 6, 2026
Forecast Valid:
6pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
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