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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Overcast

69°F

21°C

Humidity 90%
Wind Speed Vrbl 5 mph
Barometer 29.76 in (1008.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 7:56 am CDT
Extended Forecast for

4 Miles SW Mount Vernon IL

  • Today

    Today: Patchy drizzle before 9am, then patchy drizzle after 11am. Mostly cloudy, with a high near 80. North wind 10 to 16 mph, with gusts as high as 22 mph.

    High: 80 °F

    Patchy
    Drizzle

  • Tonight

    Tonight: Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Calm wind.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Patchy drizzle before 9am, then patchy drizzle after 11am. Mostly cloudy, with a high near 80. North wind 10 to 16 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 64. North wind 5 to 10 mph becoming light in the evening.
Monday
Sunny, with a high near 85. Calm wind becoming north northeast around 6 mph in the afternoon.
Monday Night
Clear, with a low around 63. Calm wind.
Tuesday
Sunny, with a high near 87. Calm wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 89. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Light south wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Mount Vernon IL
 38.27°N 88.95°W
Last Update:
8:00 am CDT Aug 2, 2026
Forecast Valid:
8am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation