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

65°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in (1018.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Aug 11:56 pm CDT
Extended Forecast for

Dix IL

  • Overnight

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

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Light south southwest wind. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 85. Light southwest wind.

    High: 85 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Heavy Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 89. Light and variable wind.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Light south southwest wind. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 85. Light southwest wind.
Friday Night
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. Calm wind.
Saturday
Mostly sunny, with a high near 87. Calm wind.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Monday
Sunny, with a high near 92. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 74. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Southwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dix IL
 38.44°N 88.91°W
Last Update:
12:26 am CDT Aug 5, 2026
Forecast Valid:
12am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
Forecast Discussion
 
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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