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Sunset:  5:28 pm
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February 10th, 2026 :: 10:46 pm CST   

Local Weather Report for
Chillicothe
Illinois, United States

 Chillicothe Weather Forecast Summary  
 
Today
Feb 10th
Wednesday
Feb 11th
Thursday
Feb 12th
Friday
Feb 13th
Saturday
Feb 14th
Cloudy Cloudy Cloudy Mix of Cloud and Sun Cloudy
49°F
44°F
26°F
42°F
30°F
48°F
28°F
53°F
33°F
 
 Chillicothe Detailed Weather Forecast  
 
Wednesday, February 11th, 2026
Overnight Temperature: 27°F
Clear.
Morning Temperature: 38°F
Sunny. Windy at times.
Afternoon Temperature: 37°F
Mostly sunny.
Evening Temperature: 33°F
Cloudy.
Thursday, February 12th, 2026
Overnight Temperature: 30°F
Cloudy.
Morning Temperature: 38°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy with sunny periods.
Evening Temperature: 32°F
Clear.
Friday, February 13th, 2026
Overnight Temperature: 29°F
Clear with cloudy periods.
Morning Temperature: 42°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 43°F
Sunny with cloudy periods.
Evening Temperature: 37°F
A mix of cloudy and clear skies.
Saturday, February 14th, 2026
Overnight Temperature: 33°F
Clear with cloudy periods.
Morning Temperature: 46°F
Cloudy.
Afternoon Temperature: 46°F
Cloudy.
Evening Temperature: 43°F
Cloudy.
Sunday, February 15th, 2026
Overnight Temperature: 38°F
Cloudy.
Morning Temperature: 50°F
Cloudy.
Afternoon Temperature: 50°F
Sunny.
Evening Temperature: 43°F
Clear.
Monday, February 16th, 2026
Overnight Temperature: 38°F
Clear.
Morning Temperature: 52°F
A mix of cloud and sun.
Afternoon Temperature: 51°F
Sunny with cloudy periods.
Evening Temperature: 47°F
Cloudy. Windy at times.
Tuesday, February 17th, 2026
Overnight Temperature: 44°F
Cloudy. Windy at times.
Morning Temperature: 57°F
Cloudy. Windy.
Afternoon Temperature: 59°F
Sunny. Windy at times.
Evening Temperature: 58°F
Cloudy. Windy.
Wednesday, February 18th, 2026
Overnight Temperature: 55°F
Cloudy. Windy.
Morning Temperature: 65°F
Sunny. Windy.
Afternoon Temperature: 66°F
Cloudy. Windy at times.
Evening Temperature: 61°F
Cloudy. Windy.





 

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This WeatherCity Weather Forecast for Chillicothe, 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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