Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

42°F

6°C

Humidity 85%
Wind Speed SW 3 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 19 Apr 7:56 am CDT
Extended Forecast for

Mount Vernon IL

  • Today

    Today: Sunny, with a high near 66. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm  after midnight.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming east around 5 mph.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Calm wind becoming south southeast around 6 mph in the evening.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Southwest wind 6 to 9 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. South wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tonight
Partly cloudy, with a low around 40. Northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 65. Calm wind becoming east around 5 mph.
Monday Night
Mostly clear, with a low around 49. Calm wind becoming south southeast around 6 mph in the evening.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 56. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny, with a high near 77. Southwest wind 6 to 9 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 6 mph.
Thursday
Sunny, with a high near 81. South wind 6 to 15 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 78. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. West southwest wind 8 to 10 mph becoming northwest after midnight.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 71. North northwest wind 9 to 11 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Vernon IL
 38.31°N 88.91°W
8:26 am CDT Apr 19, 2026
8am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

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