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February 1st, 2026 :: 5:47 pm CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated February 1st at 5:00 pm 
Overcast
Temperature:25°F Dew Point:16°F
Barometer:30.12 inHg Wind:N 21 Mph
Humidity:67.7% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Feb 1st
Monday
Feb 2nd
Tuesday
Feb 3rd
Wednesday
Feb 4th
Thursday
Feb 5th
Cloudy Cloudy Cloudy Cloudy Cloudy
27°F
32°F
20°F
30°F
16°F
29°F
13°F
37°F
18°F
 
 Peru Detailed Weather Forecast  
 
Sunday, February 1st, 2026
Evening Temperature: 21°F
Cloudy with a slight chance of flurries. Windy at times.
Monday, February 2nd, 2026
Overnight Temperature: 21°F
A mix of cloudy and clear skies.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Cloudy.
Evening Temperature: 23°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 22°F
Cloudy.
Morning Temperature: 27°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 22°F
Sunny. Windy at times.
Evening Temperature: 18°F
Clear.
Wednesday, February 4th, 2026
Overnight Temperature: 14°F
A mix of cloudy and clear skies.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 19°F
A mix of cloudy and clear skies.
Thursday, February 5th, 2026
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 30°F
Sunny. Windy at times.
Afternoon Temperature: 30°F
Sunny.
Evening Temperature: 33°F
Cloudy. Windy at times.
Friday, February 6th, 2026
Overnight Temperature: 31°F
Cloudy. Windy at times.
Morning Temperature: 33°F
Cloudy with a chance of showers or wet flurries. Windy.
Afternoon Temperature: 20°F
A mix of cloud and sun. Windy.
Evening Temperature: 13°F
Mostly clear. Windy at times.
Saturday, February 7th, 2026
Overnight Temperature: 8°F
Clear. Windy at times.
Morning Temperature: 15°F
Sunny. Windy at times.
Afternoon Temperature: 17°F
Sunny.
Evening Temperature: 15°F
Cloudy.
Sunday, February 8th, 2026
Overnight Temperature: 16°F
Cloudy.
Morning Temperature: 27°F
Cloudy.
Afternoon Temperature: 28°F
Sunny.
Evening Temperature: 23°F
A mix of clear and cloudy skies.
Monday, February 9th, 2026
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 22°F
Cloudy. Windy at times.
Afternoon Temperature: 22°F
Cloudy.
Evening Temperature: 20°F
Cloudy.





 

  [ Local Weather Report ]
La Salle, IL 
5:00 PM  25°F
Overcast
 
Oglesby, IL 
5:00 PM  25°F
Overcast
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
4:55 PM  23°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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