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.

Fair

77°F

25°C

Humidity 85%
Wind Speed Calm
Barometer 30.12 in (1020.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Aug 7:56 am CDT
Extended Forecast for

Dix IL

Heat Advisory August 16, 12:00pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 96. South southeast wind 3 to 5 mph.

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98. Light southeast wind.

    High: 98 °F

    Hot

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. North wind 5 to 8 mph.

    High: 87 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 96. South southeast wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind.
Sunday Night
Mostly clear, with a low around 75. Calm wind.
Monday
Sunny and hot, with a high near 98. Light southeast wind.
Monday Night
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 98. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87. North wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 66. North northeast wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 85. Northeast wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 87. Calm wind becoming north northeast around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dix IL
 38.45°N 88.94°W
Last Update:
5:30 am CDT Aug 16, 2025
Forecast Valid:
8am CDT Aug 16, 2025-6pm CDT Aug 22, 2025
 
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