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January 9th, 2026 :: 3:31 am CST   

Local Weather Report for
Chillicothe
Illinois, United States

 Chillicothe Weather Forecast Summary  
 
Today
Jan 9th
Saturday
Jan 10th
Sunday
Jan 11th
Monday
Jan 12th
Tuesday
Jan 13th
Cloudy Mix of rain and snow Mostly Sunny Cloudy Cloudy
50°F
36°F
22°F
30°F
18°F
40°F
24°F
43°F
34°F
 
 Chillicothe Detailed Weather Forecast  
 
Friday, January 9th, 2026
Morning Temperature: 44°F
Cloudy. Windy at times.
Afternoon Temperature: 42°F
Sunny.
Evening Temperature: 38°F
A mix of clear and cloudy skies.
Saturday, January 10th, 2026
Overnight Temperature: 34°F
Cloudy.
Morning Temperature: 36°F
Cloudy with showers or wet flurries likely. Windy.
Afternoon Temperature: 34°F
Mostly cloudy with a chance of flurries or showers. Windy at times.
Evening Temperature: 25°F
A mix of cloudy and clear skies with a slight chance of flurries. Windy.
Sunday, January 11th, 2026
Overnight Temperature: 19°F
A mix of cloudy and clear skies. Windy.
Morning Temperature: 25°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 27°F
Sunny. Windy at times.
Evening Temperature: 24°F
Clear.
Monday, January 12th, 2026
Overnight Temperature: 25°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 36°F
Cloudy. Windy.
Afternoon Temperature: 32°F
A mix of cloud and sun.
Evening Temperature: 33°F
Cloudy.
Tuesday, January 13th, 2026
Overnight Temperature: 35°F
Cloudy.
Morning Temperature: 40°F
Cloudy. Windy.
Afternoon Temperature: 38°F
Mostly cloudy. Windy.
Evening Temperature: 35°F
Cloudy. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 31°F
Cloudy. Windy at times.
Morning Temperature: 33°F
Cloudy. Windy at times.
Afternoon Temperature: 29°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 24°F
Clear. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 21°F
Clear. Windy at times.
Morning Temperature: 25°F
Sunny. Windy at times.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 21°F
Clear with cloudy periods.
Friday, January 16th, 2026
Overnight Temperature: 20°F
Cloudy.
Morning Temperature: 26°F
Sunny.
Afternoon Temperature: 24°F
Sunny.
Evening Temperature: 22°F
Cloudy.





 

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Lacon, IL 
1:55 AM  55°F
 
 
Henry, IL 
 
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1:54 AM  54°F
Partly Clear
 
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East Peoria, IL 
1:54 AM  54°F
Partly Clear
 
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1:54 AM  54°F
Partly Clear
 
Marquette Heights, IL 
1:54 AM  54°F
Partly Clear
 
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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