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June 16th, 2026 :: 8:30 pm CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated June 16th at 6:56 pm 
Overcast
Temperature:75°F Dew Point:63°F
Barometer:29.74 inHg Wind:N 28 Mph
Humidity:64.9% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jun 16th
Wednesday
Jun 17th
Thursday
Jun 18th
Friday
Jun 19th
Saturday
Jun 20th
Mostly Sunny Mostly Sunny Thundershowers Mostly Sunny Mostly Sunny
78°F
86°F
61°F
79°F
67°F
77°F
60°F
79°F
58°F
 
 Mount Vernon Detailed Weather Forecast  
 
Tuesday, June 16th, 2026
Evening Temperature: 67°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Wednesday, June 17th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 71°F
Mostly sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 86°F
Sunny. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 82°F
Mostly clear with a slight chance of showers or thundershowers. Wind 20 to 30 mph.
Thursday, June 18th, 2026
Overnight Temperature: 73°F
Clear with cloudy periods with a few showers. Chance of a thunderstorm. Windy.
Morning Temperature: 74°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 78°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 68°F
Cloudy with a chance of showers.
Friday, June 19th, 2026
Overnight Temperature: 62°F
Clear with cloudy periods with a slight chance of showers.
Morning Temperature: 66°F
Mostly sunny.
Afternoon Temperature: 77°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 66°F
Mostly clear. Windy at times.
Saturday, June 20th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 66°F
Sunny.
Afternoon Temperature: 78°F
Sunny.
Evening Temperature: 71°F
Mostly clear.
Sunday, June 21st, 2026
Overnight Temperature: 65°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 67°F
A mix of sun and cloud with showers likely. Windy at times.
Afternoon Temperature: 76°F
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm. Windy.
Evening Temperature: 73°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Monday, June 22nd, 2026
Overnight Temperature: 65°F
Mostly cloudy with a chance of showers.
Morning Temperature: 63°F
Cloudy.
Afternoon Temperature: 69°F
Cloudy. Windy at times.
Evening Temperature: 67°F
Cloudy with clear periods.
Tuesday, June 23rd, 2026
Overnight Temperature: 64°F
A mix of clear and cloudy skies.
Morning Temperature: 65°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
A mix of cloud and sun.
Evening Temperature: 70°F
Clear with cloudy periods.
Wednesday, June 24th, 2026
Overnight Temperature: 63°F
Mostly clear.
Morning Temperature: 67°F
Sunny with cloudy periods.
Afternoon Temperature: 80°F
Mostly sunny.
Evening Temperature: 75°F
Clear with cloudy periods. 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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