National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

55°F

13°C

Humidity 77%
Wind Speed Calm
Barometer 29.81 in (1010.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Nov 5:56 pm CST
Extended Forecast for

Mount Vernon IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a chance of rain between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of sprinkles before noon. Partly sunny, with a high near 41. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.

    High: 41 °F

    Chance
    Sprinkles and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. West northwest wind 5 to 7 mph becoming calm.

    Low: 22 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 50. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. West northwest wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then a chance of rain between 11pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38. Light and variable wind becoming northwest 12 to 17 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 50%.
Sunday
A chance of sprinkles before noon. Partly sunny, with a high near 41. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 24. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 40. Northwest wind 9 to 17 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 22. West northwest wind 5 to 7 mph becoming calm.
Veterans Day
Partly sunny, with a high near 50. Breezy, with a south southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 39. Southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 63. West northwest wind 8 to 13 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly clear, with a low around 34. West northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 61. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 44. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 69. South southwest wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 52. South wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 72. South southwest wind 10 to 17 mph, with gusts as high as 24 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
Last Update:
4:51 pm CST Nov 8, 2025
Forecast Valid:
6pm CST Nov 8, 2025-6pm CST Nov 15, 2025
 
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