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.

Fog/Mist

74°F

23°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Last update 27 Jun 4:56 am CDT
Extended Forecast for

Dix ILSimilar City Names

Flood Watch June 27, 05:18am until June 28, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 27, 05:18am until June 28, 07:00am

    NOW until 7:00am Sun

    Flood Watch

  • Overnight

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Calm wind becoming west southwest around 5 mph.

    High: 83 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after midnight. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 91. South wind 3 to 8 mph.

    High: 91 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 3 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. South southwest wind 3 to 8 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. South wind 5 to 7 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Light south southwest wind.

    High: 94 °F

    Sunny

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 72. Calm wind.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Calm wind becoming west southwest around 5 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after midnight. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 40%.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 91. South wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 7 mph.
Monday
Sunny, with a high near 93. South southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 74. South wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 94. Light south southwest wind.
Tuesday Night
Clear, with a low around 75. Light south wind.
Wednesday
Sunny, with a high near 95. Calm wind.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
Sunny, with a high near 93. Calm wind.
Thursday Night
Mostly clear, with a low around 75. Calm wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dix ILSimilar City Names
 38.45°N 88.94°W
Last Update:
5:06 am CDT Jun 27, 2026
Forecast Valid:
5am CDT Jun 27, 2026-6pm CDT Jul 3, 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