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

61°F

16°C

Humidity 78%
Wind Speed Calm
Barometer 30.18 in (1022.2 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 7:56 am CDT
Extended Forecast for

3 Miles WNW Opdyke IL

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. East northeast wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Northeast wind 5 to 9 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. East northeast wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. East northeast wind 5 to 9 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. East northeast wind 3 to 6 mph.

    Low: 56 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 82. East northeast wind 3 to 6 mph.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming south southwest around 5 mph.
Tonight
Mostly clear, with a low around 58. Calm wind.
Friday
Sunny, with a high near 86. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. East northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 83. Northeast wind 5 to 9 mph.
Saturday Night
Partly cloudy, with a low around 56. East northeast wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 82. East northeast wind 5 to 9 mph.
Sunday Night
Partly cloudy, with a low around 56. East northeast wind 3 to 6 mph.
Labor Day
Mostly sunny, with a high near 82. East northeast wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 58. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81. Calm wind becoming east southeast around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 60. Light and variable wind.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Opdyke IL
 38.31°N 88.8°W
Last Update:
6:16 am CDT Aug 28, 2025
Forecast Valid:
8am CDT Aug 28, 2025-6pm CDT Sep 3, 2025
 
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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