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September 12th, 2025 :: 5:52 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated September 12th at 4:56 am 
mist
Temperature:57°F Dew Point:57°F
Barometer:30.15 inHg Wind:N 6 Mph
Humidity:100.0% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Sep 12th
Saturday
Sep 13th
Sunday
Sep 14th
Monday
Sep 15th
Tuesday
Sep 16th
Cloudy Cloudy Cloudy Thundershowers Thundershowers
93°F
97°F
67°F
100°F
66°F
100°F
68°F
97°F
68°F
 
 Mount Vernon Detailed Weather Forecast  
 
Friday, September 12th, 2025
Morning Temperature: 84°F
Sunny.
Afternoon Temperature: 89°F
Cloudy. Windy at times.
Evening Temperature: 72°F
Cloudy.
Saturday, September 13th, 2025
Overnight Temperature: 68°F
A mix of cloudy and clear skies.
Morning Temperature: 85°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 93°F
Sunny with cloudy periods.
Evening Temperature: 74°F
Cloudy with a slight chance of showers.
Sunday, September 14th, 2025
Overnight Temperature: 66°F
Cloudy with a chance of showers.
Morning Temperature: 87°F
Cloudy with a slight chance of showers or thundershowers.
Afternoon Temperature: 95°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 72°F
Cloudy with a chance of showers.
Monday, September 15th, 2025
Overnight Temperature: 68°F
A mix of clear and cloudy skies.
Morning Temperature: 88°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 95°F
Sunny with cloudy periods with a slight chance of showers or thundershowers.
Evening Temperature: 74°F
Cloudy with showers likely. Slight chance of a thunderstorm.
Tuesday, September 16th, 2025
Overnight Temperature: 70°F
Cloudy with a chance of showers.
Morning Temperature: 87°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 94°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 70°F
Cloudy with showers likely. Windy at times.
Wednesday, September 17th, 2025
Overnight Temperature: 69°F
Cloudy with a chance of showers.
Morning Temperature: 85°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm.
Afternoon Temperature: 94°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 76°F
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 68°F
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 87°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 91°F
Cloudy with a slight chance of showers or thundershowers.
Evening Temperature: 69°F
Cloudy with showers likely. Windy at times.
Friday, September 19th, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 82°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 89°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 67°F
Cloudy with showers likely. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 64°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 79°F
Sunny.
Afternoon Temperature: 85°F
Sunny with cloudy periods.
Evening Temperature: 69°F
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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