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.

Light Rain Fog/Mist

70°F

21°C

Humidity 97%
Wind Speed N 6 mph
Barometer 29.68 in (1005.1 mb)
Dewpoint 69°F (21°C)
Visibility 4.00 mi
Last update 2 Aug 1:56 am CDT
Extended Forecast for

3 Miles SSW Dix IL

  • Overnight

    Overnight: A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 65. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 80. North wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North wind 5 to 9 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63. Calm wind.

    Low: 63 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Tuesday Night

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

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

Detailed Forecast

Overnight
A 20 percent chance of showers before 4am. Mostly cloudy, with a low around 65. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers and thunderstorms between 2pm and 4pm. Partly sunny, with a high near 80. North wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 64. North wind 5 to 9 mph becoming calm in the evening.
Monday
Sunny, with a high near 84. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 63. Calm wind.
Tuesday
Sunny, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 64. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. Calm wind.
Thursday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Light south wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light southwest wind.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light south southwest wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dix IL
 38.4°N 88.97°W
Last Update:
1:50 am CDT Aug 2, 2026
Forecast Valid:
2am CDT Aug 2, 2026-6pm CDT Aug 8, 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