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July 22nd, 2026 :: 10:53 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated July 22nd at 9:56 am 
Temperature:75°F Dew Point:63°F
Barometer:30.04 inHg Wind:N 17 Mph
Humidity:64.9% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Sunday
Jul 26th
Mostly Sunny Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Sunny
76°F
76°F
59°F
66°F
63°F
85°F
63°F
94°F
74°F
 
 Mount Vernon Detailed Weather Forecast  
 
Wednesday, July 22nd, 2026
Afternoon Temperature: 76°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 69°F
A mix of cloudy and clear skies.
Thursday, July 23rd, 2026
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 64°F
Mostly sunny.
Afternoon Temperature: 75°F
Sunny.
Evening Temperature: 68°F
Clear with cloudy periods.
Friday, July 24th, 2026
Overnight Temperature: 65°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
Cloudy.
Afternoon Temperature: 64°F
Cloudy with a chance of showers.
Evening Temperature: 63°F
Mostly cloudy with a chance of showers.
Saturday, July 25th, 2026
Overnight Temperature: 63°F
A mix of clear and cloudy skies.
Morning Temperature: 69°F
A mix of sun and cloud.
Afternoon Temperature: 84°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm.
Sunday, July 26th, 2026
Overnight Temperature: 75°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 81°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 94°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 87°F
Clear with cloudy periods. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 80°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 81°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 95°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 80°F
Mostly clear. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 81°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 96°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 87°F
Clear. Chance of a thunderstorm. Windy at times.
Wednesday, July 29th, 2026
Overnight Temperature: 79°F
Clear. Chance of a thunderstorm.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 78°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Thursday, July 30th, 2026
Overnight Temperature: 71°F
Clear.
Morning Temperature: 70°F
Mostly sunny.
Afternoon Temperature: 81°F
Sunny with cloudy periods.
Evening Temperature: 73°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Centralia, IL 
9:55 AM  75°F
 
 
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9:55 AM  75°F
 
 
Benton, IL 
 
Salem, IL 
9:55 AM  73°F
Overcast
 
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Fairfield, IL 
9:55 AM  73°F
 
 
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Nashville, IL 
 
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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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