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July 20th, 2026 :: 6:28 am CDT   

Local Weather Report for
Mount Vernon
Illinois, United States

 Current Mount Vernon Weather Conditions Updated July 20th at 4:56 am 
mist
Temperature:70°F Dew Point:70°F
Barometer:29.92 inHg Wind:N 9 Mph
Humidity:100.0% Visibility:0M
 
 Mount Vernon Weather Forecast Summary  
 
Today
Jul 20th
Tuesday
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
88°F
88°F
71°F
79°F
61°F
73°F
55°F
66°F
59°F
 
 Mount Vernon Detailed Weather Forecast  
 
Monday, July 20th, 2026
Morning Temperature: 75°F
Mostly sunny.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 81°F
Mostly clear. Chance of a thunderstorm.
Tuesday, July 21st, 2026
Overnight Temperature: 76°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 78°F
A mix of sun and cloud with a chance of showers or thundershowers.
Afternoon Temperature: 83°F
Mostly sunny with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 74°F
Clear. Slight chance of a thunderstorm. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 77°F
Mostly sunny. Windy at times.
Evening Temperature: 65°F
Clear with cloudy periods. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 57°F
Mostly clear.
Morning Temperature: 61°F
Mostly sunny.
Afternoon Temperature: 73°F
Mostly sunny.
Evening Temperature: 67°F
Clear with cloudy periods.
Friday, July 24th, 2026
Overnight Temperature: 60°F
Clear with cloudy periods.
Morning Temperature: 62°F
Cloudy with a slight chance of showers.
Afternoon Temperature: 65°F
Cloudy.
Evening Temperature: 64°F
Mostly cloudy.
Saturday, July 25th, 2026
Overnight Temperature: 61°F
A mix of cloudy and clear skies.
Morning Temperature: 67°F
A mix of cloud and sun.
Afternoon Temperature: 78°F
Sunny.
Evening Temperature: 73°F
Clear.
Sunday, July 26th, 2026
Overnight Temperature: 68°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 85°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 75°F
Clear with cloudy periods. Chance of a thunderstorm.
Morning Temperature: 80°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 93°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Clear with a chance of showers or thundershowers.
Tuesday, July 28th, 2026
Overnight Temperature: 71°F
Clear with a slight chance of showers or thundershowers. Windy at times.
Morning Temperature: 70°F
Mostly sunny. Windy at times.
Afternoon Temperature: 83°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm.





 

  [ Local Weather Report ]
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4:55 AM  70°F
mist
 
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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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