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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

86°F

30°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 2 Sep 8:56 am CDT
Extended Forecast for

3 Miles SW Ina IL

Extreme Heat Warning September 2, 09:16am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 2, 09:16am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Today

    High: 99 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 79. South wind 3 to 6 mph.

    Low: 79 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. South southwest wind 3 to 6 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 80. South southwest wind around 5 mph becoming calm after midnight.

    Low: 80 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 79. Calm wind.

    Low: 79 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 99. South southwest wind 3 to 7 mph.
Tonight
Clear, with a low around 79. South wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 97. South southwest wind 3 to 6 mph.
Thursday Night
Clear, with a low around 80. South southwest wind around 5 mph becoming calm after midnight.
Friday
Sunny and hot, with a high near 97. Calm wind.
Friday Night
Mostly clear, with a low around 79. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming north northeast around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. East wind 5 to 7 mph.
Labor Day
Sunny, with a high near 92. East wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 74. North northeast wind around 6 mph becoming east southeast after midnight.
Tuesday
Mostly sunny, with a high near 93. East southeast wind 5 to 7 mph becoming south in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ina IL
 38.11°N 88.95°W
Last Update:
7:51 am CDT Sep 2, 2026
Forecast Valid:
9am CDT Sep 2, 2026-6pm CDT Sep 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