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

50°F

10°C

Humidity 41%
Wind Speed S 14 mph
Barometer 30.20 in (1023.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Jan 3:56 pm CST
Extended Forecast for

3 Miles NW Mount Vernon IL

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 46. South southwest wind around 5 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. South southwest wind 6 to 9 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 60. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 60 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 38. West wind around 7 mph.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43. North northwest wind 8 to 18 mph, with gusts as high as 25 mph.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 30. Northwest wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Light southwest wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 46. South southwest wind around 5 mph.
Tonight
Mostly clear, with a low around 34. South southwest wind 6 to 9 mph.
Tuesday
Increasing clouds, with a high near 60. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 38. West wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 43. North northwest wind 8 to 18 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 17. North northwest wind 9 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 30. Northwest wind 5 to 9 mph becoming west southwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 22. Light southwest wind becoming south southwest 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, with a high near 43. West southwest wind 9 to 16 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 18. West wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday
Partly sunny, with a high near 28. West wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 10. West northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 25. West wind 8 to 13 mph, with gusts as high as 18 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mount Vernon IL
 38.36°N 88.97°W
Last Update:
3:16 pm CST Jan 12, 2026
Forecast Valid:
4pm CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Chance of Precipitation