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Sunrise:  7:19 am
Sunset:  4:55 pm
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Jan 19

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Jan 26

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Feb 3

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January 14th, 2026 :: 4:31 pm CST   

Local Weather Report for
Chillicothe
Illinois, United States

 Chillicothe Weather Forecast Summary  
 
Today
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Cloudy Flurries Cloudy Cloudy Cloudy
39°F
27°F
16°F
35°F
21°F
16°F
11°F
18°F
9°F
 
 Chillicothe Detailed Weather Forecast  
 
Wednesday, January 14th, 2026
Evening Temperature: 20°F
Clear. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 17°F
Clear. Windy at times.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 25°F
Cloudy.
Evening Temperature: 27°F
Cloudy with flurries likely. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: 28°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 33°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 24°F
Cloudy with a chance of flurries. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 15°F
Cloudy with clear periods. Windy.
Morning Temperature: 15°F
Cloudy. Windy.
Afternoon Temperature: 13°F
Cloudy. Windy at times.
Evening Temperature: 12°F
A mix of cloudy and clear skies. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 10°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 13°F
Cloudy. Windy at times.
Afternoon Temperature: 17°F
Cloudy. Windy at times.
Evening Temperature: 18°F
Cloudy. Windy at times.
Monday, January 19th, 2026
Overnight Temperature: 19°F
Cloudy. Windy at times.
Morning Temperature: 18°F
Cloudy. Windy.
Afternoon Temperature: 14°F
Cloudy. Windy at times.
Evening Temperature: 11°F
Clear. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 8°F
Clear. Windy at times.
Morning Temperature: 14°F
Sunny. Windy at times.
Afternoon Temperature: 16°F
Cloudy.
Evening Temperature: 19°F
Cloudy.
Wednesday, January 21st, 2026
Overnight Temperature: 20°F
Cloudy with a chance of flurries.
Morning Temperature: 19°F
Sunny with cloudy periods with a chance of flurries. Windy.
Afternoon Temperature: 15°F
Sunny.
Evening Temperature: 15°F
Clear. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 18°F
Cloudy. Windy at times.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 27°F
Mostly cloudy.
Evening Temperature: 22°F
Clear with cloudy periods. Windy at times.





 

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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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