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June 12th, 2026 :: 2:51 pm CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated June 12th at 1:56 pm 
Temperature:82°F Dew Point:55°F
Barometer:30.01 inHg Wind:calm
Humidity:39.6% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jun 12th
Saturday
Jun 13th
Sunday
Jun 14th
Monday
Jun 15th
Tuesday
Jun 16th
Thundershowers Mostly Sunny Mostly Sunny Mix of Sun and Cloud Mix of Sun and Cloud
81°F
76°F
64°F
73°F
60°F
75°F
57°F
78°F
63°F
 
 Mount Vernon Detailed Weather Forecast  
 
Friday, June 12th, 2026
Afternoon Temperature: 80°F
Sunny.
Evening Temperature: 73°F
Clear.
Saturday, June 13th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 68°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 71°F
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Sunday, June 14th, 2026
Overnight Temperature: 70°F
A mix of clear and cloudy skies. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 67°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear with cloudy periods. Windy at times.
Monday, June 15th, 2026
Overnight Temperature: 58°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
Mostly sunny.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Tuesday, June 16th, 2026
Overnight Temperature: 64°F
A mix of clear and cloudy skies.
Morning Temperature: 68°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 78°F
A mix of sun and cloud.
Evening Temperature: 71°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm. Windy at times.
Wednesday, June 17th, 2026
Overnight Temperature: 66°F
Cloudy. Windy at times.
Morning Temperature: 70°F
Sunny. Windy.
Afternoon Temperature: 83°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm. Wind 20 to 30 mph.
Thursday, June 18th, 2026
Overnight Temperature: 76°F
A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy.
Morning Temperature: 74°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 78°F
Sunny with cloudy periods with a chance of showers. Windy at times.
Evening Temperature: 72°F
Mostly clear.
Friday, June 19th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 70°F
Sunny with cloudy periods.
Afternoon Temperature: 76°F
A mix of cloud and sun with a slight chance of showers or thundershowers.
Evening Temperature: 72°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers.
Saturday, June 20th, 2026
Overnight Temperature: 69°F
Clear with cloudy periods with a few showers. Windy at times.
Morning Temperature: 79°F
Mostly sunny with showers likely. Chance of a thunderstorm. Windy.
Afternoon Temperature: 90°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy.
Evening Temperature: 81°F
Clear with a chance of showers or thundershowers. Windy at times.





 

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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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