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June 24th, 2026 :: 1:19 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated June 23rd at 11:56 pm 
Temperature:59°F Dew Point:57°F
Barometer:30.18 inHg Wind:calm
Humidity:93.7% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jun 24th
Thursday
Jun 25th
Friday
Jun 26th
Saturday
Jun 27th
Sunday
Jun 28th
Mostly Sunny Thundershowers Thundershowers Thundershowers Mostly Sunny
82°F
82°F
68°F
75°F
68°F
87°F
69°F
91°F
73°F
 
 Mount Vernon Detailed Weather Forecast  
 
Wednesday, June 24th, 2026
Overnight Temperature: 62°F
A mix of clear and cloudy skies.
Morning Temperature: 67°F
Mostly sunny.
Afternoon Temperature: 80°F
Mostly sunny. Slight chance of a thunderstorm.
Evening Temperature: 74°F
Clear. Chance of a thunderstorm.
Thursday, June 25th, 2026
Overnight Temperature: 68°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 75°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 82°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Evening Temperature: 72°F
Mostly cloudy with rain, at times heavy. Chance of a thunderstorm. Windy at times.
Friday, June 26th, 2026
Overnight Temperature: 68°F
Mostly cloudy with periods of rain.
Morning Temperature: 71°F
A mix of sun and cloud with showers likely.
Afternoon Temperature: 75°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Evening Temperature: 73°F
A mix of cloudy and clear skies with a chance of showers or thundershowers.
Saturday, June 27th, 2026
Overnight Temperature: 69°F
A mix of cloudy and clear skies with a few showers.
Morning Temperature: 75°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 86°F
Mostly sunny with a chance of showers or thundershowers.
Evening Temperature: 72°F
A mix of clear and cloudy skies with a few showers. Slight chance of a thunderstorm.
Sunday, June 28th, 2026
Overnight Temperature: 73°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 78°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm. Windy at times.
Monday, June 29th, 2026
Overnight Temperature: 74°F
Clear. Chance of a thunderstorm.
Morning Temperature: 79°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm.
Tuesday, June 30th, 2026
Overnight Temperature: 77°F
Clear. Chance of a thunderstorm.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 93°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 86°F
Clear. Chance of a thunderstorm.
Wednesday, July 1st, 2026
Overnight Temperature: 78°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 83°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 93°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Mount Vernon, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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