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July 23rd, 2026 :: 11:13 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated July 23rd at 9:56 am 
Temperature:73°F Dew Point:57°F
Barometer:30.21 inHg Wind:N 11 Mph
Humidity:56.9% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Sunday
Jul 26th
Monday
Jul 27th
Mostly Sunny Mix of Cloud and Sun Mostly Sunny Thundershowers Mostly Sunny
76°F
70°F
62°F
87°F
63°F
91°F
75°F
97°F
77°F
 
 Mount Vernon Detailed Weather Forecast  
 
Thursday, July 23rd, 2026
Afternoon Temperature: 76°F
Mostly sunny.
Evening Temperature: 68°F
Mostly clear.
Friday, July 24th, 2026
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
Mostly cloudy.
Afternoon Temperature: 69°F
A mix of sun and cloud.
Evening Temperature: 68°F
A mix of cloudy and clear skies.
Saturday, July 25th, 2026
Overnight Temperature: 65°F
Clear with cloudy periods.
Morning Temperature: 70°F
A mix of sun and cloud.
Afternoon Temperature: 82°F
Sunny. 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: 79°F
Sunny with cloudy periods with a chance of showers or thundershowers.
Afternoon Temperature: 86°F
Mostly cloudy with a few showers. Chance of a thunderstorm.
Evening Temperature: 81°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 77°F
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 96°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 88°F
Clear. Chance of a thunderstorm. Windy.
Tuesday, July 28th, 2026
Overnight Temperature: 80°F
Clear. Windy at times.
Morning Temperature: 79°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 85°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 76°F
Clear with cloudy periods. Slight chance of a thunderstorm.
Wednesday, July 29th, 2026
Overnight Temperature: 67°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 81°F
Mostly sunny.
Evening Temperature: 72°F
Clear.
Thursday, July 30th, 2026
Overnight Temperature: 64°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Slight chance of a thunderstorm.
Evening Temperature: 77°F
Clear with cloudy periods with a chance of showers or thundershowers.
Friday, July 31st, 2026
Overnight Temperature: 70°F
Clear with showers likely. Slight chance of a thunderstorm.
Morning Temperature: 75°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
Mostly clear. 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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