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February 18th, 2026 :: 3:56 pm CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated February 18th at 2:55 pm 
Temperature:64°F Dew Point:9°F
Barometer:29.56 inHg Wind:N 45 Mph
Humidity:10.6% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Feb 18th
Thursday
Feb 19th
Friday
Feb 20th
Saturday
Feb 21st
Sunday
Feb 22nd
Cloudy Showers Cloudy Cloudy Cloudy
63°F
66°F
43°F
39°F
29°F
36°F
25°F
24°F
18°F
 
 Peru Detailed Weather Forecast  
 
Wednesday, February 18th, 2026
Evening Temperature: 49°F
Cloudy.
Thursday, February 19th, 2026
Overnight Temperature: 45°F
Cloudy.
Morning Temperature: 57°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 55°F
Cloudy with showers likely.
Evening Temperature: 54°F
Clear with showers likely. Windy.
Friday, February 20th, 2026
Overnight Temperature: 37°F
Cloudy. Windy.
Morning Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 36°F
Sunny. Windy at times.
Evening Temperature: 30°F
Clear.
Saturday, February 21st, 2026
Overnight Temperature: 26°F
Clear.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 32°F
Cloudy. Windy at times.
Evening Temperature: 27°F
Cloudy. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 21°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 22°F
Cloudy. Windy.
Afternoon Temperature: 21°F
Cloudy. Windy.
Evening Temperature: 18°F
Cloudy. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 16°F
Clear with cloudy periods. Windy.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Sunny.
Evening Temperature: 20°F
Clear with cloudy periods.
Tuesday, February 24th, 2026
Overnight Temperature: 19°F
Cloudy.
Morning Temperature: 30°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 33°F
Cloudy. Windy at times.
Wednesday, February 25th, 2026
Overnight Temperature: 34°F
Cloudy. Windy.
Morning Temperature: 42°F
Cloudy. Windy.
Afternoon Temperature: 37°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 30°F
Cloudy. Windy at times.





 

  [ Local Weather Report ]
La Salle, IL 
2:55 PM  64°F
 
 
Oglesby, IL 
2:55 PM  64°F
 
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
2:55 PM  64°F
 
 
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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