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June 15th, 2026 :: 3:11 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated June 15th at 1:56 am 
Overcast
Temperature:57°F Dew Point:55°F
Barometer:30.04 inHg Wind:calm
Humidity:93.7% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jun 15th
Tuesday
Jun 16th
Wednesday
Jun 17th
Thursday
Jun 18th
Friday
Jun 19th
Mostly Sunny Mix of Sun and Cloud Mostly Sunny Mostly Sunny Sunny
75°F
79°F
58°F
83°F
61°F
77°F
66°F
73°F
57°F
 
 Mount Vernon Detailed Weather Forecast  
 
Monday, June 15th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 64°F
Sunny.
Afternoon Temperature: 74°F
Mostly sunny.
Evening Temperature: 68°F
Clear.
Tuesday, June 16th, 2026
Overnight Temperature: 59°F
Clear.
Morning Temperature: 66°F
Mostly sunny. Windy at times.
Afternoon Temperature: 73°F
Cloudy with sunny periods with a chance of showers. Slight chance of a thunderstorm. Windy.
Evening Temperature: 67°F
A mix of clear and cloudy skies with a chance of showers. Slight chance of a thunderstorm.
Wednesday, June 17th, 2026
Overnight Temperature: 61°F
Mostly clear.
Morning Temperature: 70°F
Sunny with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 80°F
Sunny. Chance of a thunderstorm. Wind 20 to 30 mph.
Evening Temperature: 83°F
Mostly clear. Chance of a thunderstorm. Wind 20 to 30 mph.
Thursday, June 18th, 2026
Overnight Temperature: 73°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy.
Morning Temperature: 72°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 76°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 67°F
Clear with cloudy periods.
Friday, June 19th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 65°F
Mostly sunny. Windy at times.
Afternoon Temperature: 73°F
Sunny. Windy at times.
Evening Temperature: 65°F
Clear.
Saturday, June 20th, 2026
Overnight Temperature: 58°F
Clear.
Morning Temperature: 67°F
A mix of cloud and sun.
Afternoon Temperature: 76°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 69°F
A mix of clear and cloudy skies.
Sunday, June 21st, 2026
Overnight Temperature: 66°F
Mostly cloudy with a slight chance of showers.
Morning Temperature: 70°F
Mostly cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 78°F
A mix of sun and cloud with a chance of showers or thundershowers. Windy.
Evening Temperature: 66°F
Mostly clear with a chance of showers. Windy at times.
Monday, June 22nd, 2026
Overnight Temperature: 62°F
A mix of clear and cloudy skies. Windy at times.
Morning Temperature: 64°F
Cloudy with a slight chance of showers. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun with a slight chance of showers. Windy at times.
Evening Temperature: 70°F
A mix of clear and cloudy skies.
Tuesday, June 23rd, 2026
Overnight Temperature: 63°F
Mostly clear.
Morning Temperature: 65°F
A mix of cloud and sun.
Afternoon Temperature: 75°F
A mix of cloud and sun.
Evening Temperature: 71°F
Mostly clear.





 

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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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