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January 15th, 2026 :: 2:57 am CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated January 15th at 1:59 am 
Overcast
Temperature:16°F Dew Point:7°F
Barometer:30.06 inHg Wind:N 28 Mph
Humidity:65.0% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Cloudy Cloudy Cloudy Cloudy Mostly Sunny
26°F
36°F
20°F
17°F
13°F
22°F
11°F
11°F
4°F
 
 Peru Detailed Weather Forecast  
 
Thursday, January 15th, 2026
Overnight Temperature: 17°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 21°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 25°F
Cloudy with a chance of flurries. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: 27°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 33°F
A mix of cloud and sun with a slight chance of showers. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 27°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 22°F
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 16°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 16°F
Cloudy. Windy.
Afternoon Temperature: 15°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 14°F
Mostly clear. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 17°F
Cloudy. Windy.
Afternoon Temperature: 21°F
Sunny. Windy at times.
Evening Temperature: 18°F
Clear with cloudy periods. Wind 20 to 30 mph.
Monday, January 19th, 2026
Overnight Temperature: 6°F
Clear. Windy.
Morning Temperature: 7°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 10°F
Sunny. Windy at times.
Evening Temperature: 9°F
Clear. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 15°F
Cloudy. Windy at times.
Afternoon Temperature: 14°F
Sunny.
Evening Temperature: 14°F
Cloudy.
Wednesday, January 21st, 2026
Overnight Temperature: 15°F
Cloudy with a chance of flurries.
Morning Temperature: 24°F
Cloudy. Windy at times.
Afternoon Temperature: 23°F
Cloudy. Windy at times.
Evening Temperature: 18°F
Cloudy. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 13°F
Clear.
Morning Temperature: 24°F
Sunny. Windy at times.
Afternoon Temperature: 27°F
Sunny with cloudy periods.
Evening Temperature: 30°F
Cloudy. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: 34°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy at times.
Morning Temperature: 37°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 36°F
Cloudy with showers likely. Showers possibly mixed with wet flurries.
Evening Temperature: 33°F
Cloudy with flurries or showers likely. Windy at times.





 

  [ Local Weather Report ]
La Salle, IL 
1:59 AM  16°F
Overcast
 
Oglesby, IL 
1:59 AM  16°F
Overcast
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
1:55 AM  16°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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