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December 29th, 2025 :: 1:12 am CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated December 28th at 11:55 pm 
light snow
Temperature:18°F Dew Point:10°F
Barometer:29.77 inHg Wind:N 53 Mph
Humidity:71.7% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Thursday
Jan 1st
Friday
Jan 2nd
Cloudy Cloudy Cloudy Cloudy Cloudy
20°F
29°F
13°F
30°F
16°F
21°F
14°F
25°F
16°F
 
 Peru Detailed Weather Forecast  
 
Monday, December 29th, 2025
Overnight Temperature: 16°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Morning Temperature: 19°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 16°F
A mix of cloud and sun. Windy.
Evening Temperature: 14°F
Mostly clear. Windy.
Tuesday, December 30th, 2025
Overnight Temperature: 13°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 21°F
Cloudy. Windy at times.
Afternoon Temperature: 27°F
Cloudy. Windy at times.
Evening Temperature: 29°F
Cloudy. Windy at times.
Wednesday, December 31st, 2025
Overnight Temperature: 30°F
Cloudy. Windy at times.
Morning Temperature: 25°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 21°F
Mostly cloudy with a chance of flurries. Windy at times.
Evening Temperature: 17°F
Cloudy. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: 14°F
Clear with cloudy periods.
Morning Temperature: 18°F
Cloudy.
Afternoon Temperature: 19°F
Sunny.
Evening Temperature: 17°F
Clear.
Friday, January 2nd, 2026
Overnight Temperature: 16°F
A mix of cloudy and clear skies.
Morning Temperature: 21°F
Cloudy.
Afternoon Temperature: 22°F
Cloudy.
Evening Temperature: 21°F
Cloudy.
Saturday, January 3rd, 2026
Overnight Temperature: 21°F
Cloudy.
Morning Temperature: 27°F
Sunny with cloudy periods.
Afternoon Temperature: 26°F
Sunny.
Evening Temperature: 26°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 26°F
Cloudy.
Morning Temperature: 35°F
Sunny. Windy at times.
Afternoon Temperature: 33°F
Sunny.
Evening Temperature: 32°F
Clear.
Monday, January 5th, 2026
Overnight Temperature: 34°F
Cloudy.
Morning Temperature: 41°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries.
Afternoon Temperature: 41°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 37°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Tuesday, January 6th, 2026
Overnight Temperature: 27°F
Cloudy. Windy.
Morning Temperature: 26°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 26°F
A mix of cloud and sun.
Evening Temperature: 26°F
Cloudy.





 

  [ Local Weather Report ]
La Salle, IL 
11:55 PM  18°F
light snow
 
Oglesby, IL 
11:55 PM  18°F
light snow
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
11:55 PM  18°F
Overcast
 
Chillicothe, IL 

 
This WeatherCity Weather Forecast for Peru, 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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