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.

Partly Cloudy

77°F

25°C

Humidity 45%
Wind Speed Vrbl 5 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 23 Jul 12:56 pm CDT
Extended Forecast for

Dix IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Light northeast wind.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Calm wind.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 79. Calm wind.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 92. Calm wind.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 96 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Light northeast wind.
Tonight
Partly cloudy, with a low around 61. Calm wind.
Friday
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 79. Calm wind.
Friday Night
A chance of showers and thunderstorms before midnight, then a chance of showers between midnight and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 50%.
Saturday
Showers likely and possibly a thunderstorm before 1pm. Partly sunny, with a high near 85. Calm wind becoming south southwest around 5 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 92. Calm wind.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny, with a high near 96. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Tuesday
Sunny, with a high near 94. West wind 5 to 8 mph becoming north northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72. North wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dix IL
 38.45°N 88.94°W
Last Update:
1:26 pm CDT Jul 23, 2026
Forecast Valid:
1pm CDT Jul 23, 2026-6pm CDT Jul 29, 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