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February 15th, 2026 :: 5:07 pm CST   

Local Weather Report for
Mattoon
Illinois, United States

 Current Mattoon Weather Conditions Updated February 15th at 3:53 pm 
Temperature:52°F Dew Point:45°F
Barometer:29.92 inHg Wind:calm
Humidity:76.3% Visibility:0M
 
 Mattoon Weather Forecast Summary  
 
Today
Feb 15th
Monday
Feb 16th
Tuesday
Feb 17th
Wednesday
Feb 18th
Thursday
Feb 19th
Showers Cloudy Cloudy Cloudy Cloudy
57°F
58°F
42°F
56°F
44°F
68°F
52°F
66°F
48°F
 
 Mattoon Detailed Weather Forecast  
 
Sunday, February 15th, 2026
Evening Temperature: 46°F
Clear.
Monday, February 16th, 2026
Overnight Temperature: 42°F
Cloudy.
Morning Temperature: 52°F
Cloudy. Windy at times.
Afternoon Temperature: 51°F
A mix of cloud and sun.
Evening Temperature: 47°F
Cloudy.
Tuesday, February 17th, 2026
Overnight Temperature: 44°F
Cloudy.
Morning Temperature: 52°F
Cloudy. Windy at times.
Afternoon Temperature: 54°F
Cloudy. Windy at times.
Evening Temperature: 56°F
Cloudy. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 57°F
Cloudy. Windy.
Morning Temperature: 64°F
Mostly sunny with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 58°F
Sunny.
Evening Temperature: 53°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 49°F
Clear with cloudy periods with a chance of showers.
Morning Temperature: 61°F
Sunny with cloudy periods with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 62°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 56°F
Cloudy. Windy.
Friday, February 20th, 2026
Overnight Temperature: 43°F
Cloudy. Windy.
Morning Temperature: 42°F
Cloudy. Windy.
Afternoon Temperature: 41°F
Cloudy.
Evening Temperature: 38°F
Cloudy.
Saturday, February 21st, 2026
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 41°F
Mostly sunny.
Afternoon Temperature: 41°F
Cloudy.
Evening Temperature: 38°F
Cloudy.
Sunday, February 22nd, 2026
Overnight Temperature: 34°F
Clear with cloudy periods.
Morning Temperature: 40°F
Cloudy. Windy.
Afternoon Temperature: 34°F
Sunny. Windy at times.
Evening Temperature: 27°F
Clear. Windy at times.
Monday, February 23rd, 2026
Overnight Temperature: 22°F
Clear. Windy at times.
Morning Temperature: 29°F
Sunny. Windy at times.
Afternoon Temperature: 27°F
Sunny.
Evening Temperature: 24°F
Clear.





 

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3:53 PM  52°F
 
 
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3:55 PM  54°F
 
 
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3:55 PM  52°F
Overcast
 
Champaign, IL 
3:53 PM  55°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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