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January 19th, 2026 :: 4:11 am CST   

Local Weather Report for
Peru
Illinois, United States

 Current Peru Weather Conditions Updated January 19th at 2:59 am 
Overcast
Temperature:7°F Dew Point:-2°F
Barometer:30.04 inHg Wind:N 41 Mph
Humidity:58.4% Visibility:0M
 
 Peru Weather Forecast Summary  
 
Today
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Thursday
Jan 22nd
Friday
Jan 23rd
Cloudy Cloudy Cloudy Cloudy Mix of Cloud and Sun
12°F
23°F
10°F
31°F
23°F
24°F
10°F
3°F
-8°F
 
 Peru Detailed Weather Forecast  
 
Monday, January 19th, 2026
Morning Temperature: 5°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 9°F
Cloudy. Windy at times.
Evening Temperature: 11°F
Cloudy. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 16°F
Cloudy.
Afternoon Temperature: 21°F
Cloudy.
Evening Temperature: 22°F
Cloudy.
Wednesday, January 21st, 2026
Overnight Temperature: 26°F
Cloudy with a chance of flurries.
Morning Temperature: 27°F
Sunny with cloudy periods with a chance of flurries. Windy at times.
Afternoon Temperature: 28°F
Cloudy. Windy at times.
Evening Temperature: 27°F
Cloudy. Windy.
Thursday, January 22nd, 2026
Overnight Temperature: 17°F
Clear. Windy at times.
Morning Temperature: 21°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy at times.
Evening Temperature: 14°F
Cloudy with a slight chance of flurries. Windy at times.
Friday, January 23rd, 2026
Overnight Temperature: -1°F
Mostly clear. Windy.
Morning Temperature: -6°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: -6°F
Mostly sunny. Windy at times.
Evening Temperature: -7°F
A mix of cloudy and clear skies.
Saturday, January 24th, 2026
Overnight Temperature: -8°F
Cloudy.
Morning Temperature: 0°F
Cloudy.
Afternoon Temperature: 4°F
Cloudy.
Evening Temperature: 3°F
Cloudy.
Sunday, January 25th, 2026
Overnight Temperature: 1°F
Clear with cloudy periods.
Morning Temperature: 5°F
Sunny with cloudy periods.
Afternoon Temperature: 6°F
Sunny.
Evening Temperature: 4°F
Clear.
Monday, January 26th, 2026
Overnight Temperature: 4°F
Clear.
Morning Temperature: 18°F
Sunny. Windy at times.
Afternoon Temperature: 23°F
Sunny with cloudy periods.
Evening Temperature: 24°F
Cloudy.
Tuesday, January 27th, 2026
Overnight Temperature: 21°F
Clear with cloudy periods.
Morning Temperature: 23°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 22°F
Cloudy.
Evening Temperature: 21°F
Cloudy.





 

  [ Local Weather Report ]
La Salle, IL 
2:59 AM  7°F
Overcast
 
Oglesby, IL 
2:59 AM  7°F
Overcast
 
Mendota, IL 
 
Ottawa, IL 
 
Princeton, IL 
 
Henry, IL 
 
Marseilles, IL 
 
Streator, IL 
 
Lacon, IL 
2:55 AM  7°F
Mostly Cloudy haze
 
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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