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

41°F

5°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 29.99 in (1016.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 11 Nov 11:56 pm CST
Extended Forecast for

4 Miles WNW Opdyke IL

  • Overnight

    Overnight: Clear, with a low around 35. Southwest wind around 7 mph, with gusts as high as 18 mph.

    Low: 35 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. South wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. South southwest wind 6 to 10 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South southwest wind 6 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 46. Southwest wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 35. Southwest wind around 7 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 64. West northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 36. Light west wind.
Thursday
Mostly sunny, with a high near 63. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 45. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 72. South southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 55. South southwest wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 75. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 46. Southwest wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 63. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 38. Light and variable wind becoming east northeast around 5 mph after midnight.
Monday
A chance of showers. Mostly sunny, with a high near 58. East northeast wind 5 to 10 mph becoming southeast in the afternoon.
Monday Night
Showers likely. Mostly cloudy, with a low around 43. East wind 6 to 8 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 60. East southeast wind 7 to 9 mph becoming west northwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Opdyke IL
 38.31°N 88.83°W
Last Update:
12:26 am CST Nov 12, 2025
Forecast Valid:
12am CST Nov 12, 2025-6pm CST Nov 18, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation