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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Partly Cloudy

81°F

27°C

Humidity 82%
Wind Speed NE 6 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 14 Aug 7:56 am CDT
Extended Forecast for

Dix ILSimilar City Names

Extreme Heat Warning August 14, 09:27am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 09:27am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 95 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. Heat index values as high as 109. Light and variable wind.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. West wind 3 to 5 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light north wind.

    Low: 72 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 86. North wind 3 to 6 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. Light northeast wind.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Today
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Mostly sunny, with a high near 95. Heat index values as high as 110. Light and variable wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 76. Calm wind.
Saturday
Sunny, with a high near 95. Heat index values as high as 109. Light and variable wind.
Saturday Night
Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 95. West wind 3 to 5 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72. Light north wind.
Monday
Mostly sunny, with a high near 86. North wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 66. Light northeast wind.
Tuesday
Sunny, with a high near 86. Calm wind.
Tuesday Night
Mostly clear, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 92. Southwest wind 3 to 8 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Light and variable wind becoming northwest around 5 mph after midnight.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. North wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dix ILSimilar City Names
 38.45°N 88.94°W
Last Update:
7:01 am CDT Aug 14, 2026
Forecast Valid:
9am CDT Aug 14, 2026-6pm CDT Aug 20, 2026
 
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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