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December 28th, 2025 :: 5:23 am CST   

Local Weather Report for
Chillicothe
Illinois, United States

 Chillicothe Weather Forecast Summary  
 
Today
Dec 28th
Monday
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Thursday
Jan 1st
Mix of rain and snow Cloudy Cloudy Cloudy Cloudy
65°F
23°F
15°F
29°F
15°F
28°F
18°F
22°F
14°F
 
 Chillicothe Detailed Weather Forecast  
 
Sunday, December 28th, 2025
Morning Temperature: 61°F
Cloudy with showers likely. Slight chance of a thunderstorm. Wind 20 to 30 mph.
Afternoon Temperature: 39°F
Cloudy with a chance of showers. Wind 20 to 30 mph.
Evening Temperature: 25°F
Cloudy. Wind 20 to 30 mph.
Monday, December 29th, 2025
Overnight Temperature: 19°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 21°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 18°F
Sunny. Windy.
Evening Temperature: 16°F
Clear. Windy.
Tuesday, December 30th, 2025
Overnight Temperature: 15°F
Clear. Windy at times.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 29°F
A mix of cloud and sun. Windy.
Evening Temperature: 28°F
A mix of cloudy and clear skies. Windy.
Wednesday, December 31st, 2025
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy at times.
Evening Temperature: 19°F
Cloudy with a slight chance of flurries. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: 15°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 18°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 20°F
Cloudy.
Evening Temperature: 19°F
Clear with cloudy periods.
Friday, January 2nd, 2026
Overnight Temperature: 15°F
Clear.
Morning Temperature: 20°F
Sunny. Windy at times.
Afternoon Temperature: 20°F
Sunny. Windy at times.
Evening Temperature: 17°F
Clear.
Saturday, January 3rd, 2026
Overnight Temperature: 14°F
Clear.
Morning Temperature: 21°F
Cloudy.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 22°F
Clear with cloudy periods.
Sunday, January 4th, 2026
Overnight Temperature: 21°F
Cloudy.
Morning Temperature: 29°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 29°F
Cloudy.
Evening Temperature: 29°F
Cloudy. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: 30°F
Cloudy. Windy at times.
Morning Temperature: 38°F
Cloudy. Windy at times.
Afternoon Temperature: 37°F
Cloudy. Windy at times.
Evening Temperature: 41°F
Cloudy with a slight chance of showers. Windy at times.





 

  [ Local Weather Report ]
Lacon, IL 
3:55 AM  57°F
light rain
 
Henry, IL 
 
Washington, IL 
 
West Peoria, IL 
3:54 AM  57°F
light rain mist
 
Eureka, IL 
 
East Peoria, IL 
3:54 AM  57°F
light rain mist
 
Peoria, IL 
3:54 AM  57°F
light rain mist
 
Marquette Heights, IL 
3:54 AM  57°F
light rain mist
 
Pekin, IL 
 
Farmington, IL 

 
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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