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Hazardous Weather Conditions

Current conditions at

Mount Vernon Airport (KMVN)

Lat: 38.33°NLon: 88.85°WElev: 466ft.

Fair

94°F

34°C

Humidity 46%
Wind Speed S 7 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 2 Sep 6:56 pm CDT
Extended Forecast for

Ina IL

Extreme Heat Warning September 2, 07:30pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 2, 07:30pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 78. Light south wind.

    Low: 78 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. Heat index values as high as 106. Light west southwest wind.

    High: 100 °F

    Hot

  • Friday Night

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

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 77. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Clear, with a low around 78. Light south wind.
Friday
Sunny and hot, with a high near 100. Heat index values as high as 106. Light west southwest wind.
Friday Night
Mostly clear, with a low around 76. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 73. Calm wind.
Sunday
Sunny, with a high near 95. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 70. Northeast wind around 6 mph becoming calm after midnight.
Labor Day
Sunny, with a high near 94. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 70. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 95. South wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 73. South wind around 6 mph.
Wednesday
Sunny and hot, with a high near 97. Southwest wind 6 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ina IL
 38.16°N 88.9°W
Last Update:
7:11 pm CDT Sep 2, 2026
Forecast Valid:
7pm CDT Sep 2, 2026-6pm CDT Sep 9, 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