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

48°F

9°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1017.6 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 29 Sep 1:56 am CDT
Extended Forecast for

Dix ILSimilar City Names

  • Overnight

    Overnight: Clear, with a steady temperature around 54. Calm wind.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Light south southeast wind becoming south 5 to 10 mph in the morning.

    High: 88 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. South southeast wind 5 to 7 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 90. South southwest wind 7 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a steady temperature around 54. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind.
Tuesday Night
Partly cloudy, with a low around 60. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Light south southeast wind becoming south 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 67. South southeast wind 5 to 7 mph.
Thursday
Partly sunny, with a high near 90. South southwest wind 7 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 66. South southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
Showers likely. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph becoming north in the afternoon.
Friday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 71. East northeast wind 6 to 8 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers. Partly sunny, with a high near 71. North wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 51. North wind 3 to 6 mph.
Monday
Sunny, with a high near 70. Northeast wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dix ILSimilar City Names
 38.45°N 88.94°W
Last Update:
1:25 am CDT Sep 29, 2026
Forecast Valid:
2am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation