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

39°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.14 in (1021.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 13 Nov 11:56 pm CST
Extended Forecast for

4 Miles WNW Opdyke IL

  • Overnight

    Overnight: Increasing clouds, with a temperature rising to around 47 by 4am. South wind 3 to 6 mph.

    Low: 44 °F⇑

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. South southwest wind 6 to 10 mph.

    High: 72 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. West southwest wind 6 to 10 mph becoming north northwest after midnight.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 5 to 7 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light and variable wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers after noon. Mostly sunny, with a high near 59. Light east northeast wind becoming east southeast 5 to 9 mph in the morning.

    High: 59 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely. Mostly cloudy, with a low around 44. East wind 6 to 8 mph.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Overnight
Increasing clouds, with a temperature rising to around 47 by 4am. South wind 3 to 6 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. South southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 57. South southwest wind 7 to 11 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 44. West southwest wind 6 to 10 mph becoming north northwest after midnight.
Sunday
Sunny, with a high near 60. Northwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 36. Light and variable wind.
Monday
A slight chance of showers after noon. Mostly sunny, with a high near 59. Light east northeast wind becoming east southeast 5 to 9 mph in the morning.
Monday Night
Showers likely. Mostly cloudy, with a low around 44. East wind 6 to 8 mph.
Tuesday
A chance of showers, mainly before noon. Partly sunny, with a high near 63. East wind 7 to 10 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 44. East wind 3 to 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 60. East wind 6 to 8 mph becoming south southeast in the afternoon.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 46. South southeast wind 5 to 8 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 62. South wind 8 to 11 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Opdyke IL
 38.31°N 88.83°W
Last Update:
9:51 pm CST Nov 13, 2025
Forecast Valid:
12am CST Nov 14, 2025-6pm CST Nov 20, 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