National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

A Few Clouds

70°F

21°C

Humidity 82%
Wind Speed Calm
Barometer 30.04 in (1017.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Sep 8:56 pm CDT
Extended Forecast for

Dix ILSimilar City Names

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly between midnight and 5am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.

    Low: 63 °F

    Scattered
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 3 to 6 mph. Chance of precipitation is 70%.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 3 to 6 mph.

    Low: 64 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Southwest wind 3 to 7 mph.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southwest wind around 5 mph becoming light and variable in the evening.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly between midnight and 5am. Partly cloudy, with a low around 63. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers, with thunderstorms also possible after 4pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 65. Light and variable wind.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Light south southwest wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. South southwest wind 3 to 6 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 70%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 3 to 6 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 80. Southwest wind 3 to 7 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southwest wind around 5 mph becoming light and variable in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 78. East wind 5 to 9 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East northeast wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 76. Northeast wind 6 to 9 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58. North northeast wind around 6 mph becoming light and variable after midnight.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 76. East wind 5 to 8 mph becoming west in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Dix ILSimilar City Names
 38.45°N 88.94°W
Last Update:
6:46 pm CDT Sep 19, 2025
Forecast Valid:
9pm CDT Sep 19, 2025-6pm CDT Sep 26, 2025
 
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Additional Resources

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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