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September 18th, 2025 :: 11:11 am CDT   

Local Weather Report for
Mattoon
Illinois, United States

 Current Mattoon Weather Conditions Updated September 18th at 9:53 am 
Temperature:79°F Dew Point:57°F
Barometer:30.06 inHg Wind: 6 Mph
Humidity:47.5% Visibility:0M
 
 Mattoon Weather Forecast Summary  
 
Today
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Mix of Sun and Cloud Cloudy Thundershowers Showers Thundershowers
92°F
92°F
64°F
88°F
64°F
91°F
66°F
88°F
65°F
 
 Mattoon Detailed Weather Forecast  
 
Thursday, September 18th, 2025
Afternoon Temperature: 85°F
Sunny.
Evening Temperature: 69°F
A mix of clear and cloudy skies.
Friday, September 19th, 2025
Overnight Temperature: 64°F
A mix of cloudy and clear skies.
Morning Temperature: 85°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 83°F
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 71°F
Cloudy with a chance of showers. Windy at times.
Saturday, September 20th, 2025
Overnight Temperature: 66°F
Cloudy with showers likely.
Morning Temperature: 81°F
Sunny with a chance of showers or thundershowers.
Afternoon Temperature: 82°F
Cloudy.
Evening Temperature: 71°F
A mix of cloudy and clear skies.
Sunday, September 21st, 2025
Overnight Temperature: 66°F
A mix of cloudy and clear skies.
Morning Temperature: 85°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 79°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 67°F
Cloudy with a chance of showers. Windy at times.
Monday, September 22nd, 2025
Overnight Temperature: 66°F
Cloudy with showers likely.
Morning Temperature: 74°F
Cloudy with a few showers. Chance of a thunderstorm. Windy.
Afternoon Temperature: 79°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Evening Temperature: 67°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 66°F
Cloudy. Windy at times.
Morning Temperature: 77°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 80°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 67°F
Cloudy with showers likely. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 66°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 65°F
Cloudy with a few showers. Slight chance of a thunderstorm.
Afternoon Temperature: 62°F
Cloudy with a few showers.
Evening Temperature: 62°F
Cloudy.
Thursday, September 25th, 2025
Overnight Temperature: 59°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 67°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Cloudy. Windy at times.
Evening Temperature: 61°F
Cloudy with a chance of showers.
Friday, September 26th, 2025
Overnight Temperature: 60°F
Clear with cloudy periods with a chance of showers. Windy at times.
Morning Temperature: 69°F
Sunny. Windy at times.
Afternoon Temperature: 72°F
A mix of cloud and sun.
Evening Temperature: 64°F
Clear with cloudy periods.





 

  [ Local Weather Report ]
Charleston, IL 
9:53 AM  79°F
 
 
Casey, IL 
 
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Shelbyville, IL 
 
Effingham, IL 
9:55 AM  79°F
 
 
Marshall, IL 
 
Newton, IL 
 
Paris, IL 
9:55 AM  81°F
 
 
Champaign, IL 
9:53 AM  81°F
 

This WeatherCity Weather Forecast for Mattoon, 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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