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June 26th, 2026 :: 1:58 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated June 26th at 12:56 am 
light rain
Temperature:72°F Dew Point:72°F
Barometer:29.98 inHg Wind:N 6 Mph
Humidity:100.0% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jun 26th
Saturday
Jun 27th
Sunday
Jun 28th
Monday
Jun 29th
Tuesday
Jun 30th
Thundershowers Thundershowers Sunny Mostly Sunny Mostly Sunny
79°F
87°F
69°F
92°F
72°F
94°F
73°F
95°F
77°F
 
 Mount Vernon Detailed Weather Forecast  
 
Friday, June 26th, 2026
Overnight Temperature: 70°F
Mostly cloudy with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 70°F
Cloudy with showers. Windy at times.
Afternoon Temperature: 78°F
A mix of cloud and sun with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Mostly clear with a chance of showers or thundershowers.
Saturday, June 27th, 2026
Overnight Temperature: 70°F
Mostly cloudy with showers likely.
Morning Temperature: 74°F
A mix of cloud and sun with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Mostly sunny with showers likely. Chance of a thunderstorm.
Evening Temperature: 78°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm.
Sunday, June 28th, 2026
Overnight Temperature: 73°F
Clear. Chance of a thunderstorm.
Morning Temperature: 79°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm.
Monday, June 29th, 2026
Overnight Temperature: 75°F
Clear. Chance of a thunderstorm.
Morning Temperature: 82°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 93°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 86°F
Mostly clear. Chance of a thunderstorm.
Tuesday, June 30th, 2026
Overnight Temperature: 78°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 83°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 95°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 87°F
Mostly clear. Chance of a thunderstorm.
Wednesday, July 1st, 2026
Overnight Temperature: 79°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 93°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 86°F
Clear. Chance of a thunderstorm.
Thursday, July 2nd, 2026
Overnight Temperature: 79°F
Clear. Chance of a thunderstorm.
Morning Temperature: 84°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 94°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 87°F
Mostly clear with a chance of showers or thundershowers.
Friday, July 3rd, 2026
Overnight Temperature: 74°F
A mix of clear and cloudy skies with a chance of showers or thundershowers.
Morning Temperature: 81°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 91°F
Sunny with a chance of showers or thundershowers.
Evening Temperature: 85°F
Mostly clear. Chance of a thunderstorm.





 

  [ Local Weather Report ]
Centralia, IL 
12:55 AM  72°F
light rain
 
Wamac, IL 
12:55 AM  72°F
light rain
 
Benton, IL 
 
Salem, IL 
12:55 AM  73°F
light drizzle
 
Mcleansboro, IL 
 
Fairfield, IL 
12:55 AM  72°F
light rain
 
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Du Quoin, IL 

 
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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