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 with Haze

80°F

27°C

Humidity 28%
Wind Speed S 9 mph
Barometer 30.01 in (1016.7 mb)
Dewpoint 44°F (7°C)
Visibility 5.00 mi
Heat Index79°F (26°C)
Last update 6 Oct 3:56 pm CDT
Extended Forecast for

4 Miles NW Mount Vernon IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Light south wind.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 51. Light northeast wind.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Southeast wind 3 to 8 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light south southeast wind becoming south 6 to 11 mph in the morning.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Light south wind.
Tonight
Clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming west 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 56. Light and variable wind.
Thursday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 51. Light northeast wind.
Friday
Sunny, with a high near 84. Southeast wind 3 to 8 mph.
Friday Night
Clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Light south southeast wind becoming south 6 to 11 mph in the morning.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 58. Southeast wind 3 to 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 78. East wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 56. East northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 82. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Mount Vernon IL
 38.36°N 88.94°W
Last Update:
1:16 pm CDT Oct 6, 2026
Forecast Valid:
4pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
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Additional Resources

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