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Sunset:  4:31 pm
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Dec 5

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Dec 13

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Dec 20

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December 1st, 2025 :: 9:37 am CST   

Local Weather Report for
Lacon
Illinois, United States

 Current Lacon Weather Conditions Updated December 1st at 8:55 am 
Overcast
Temperature:21°F Dew Point:19°F
Barometer:30.39 inHg Wind:calm
Humidity:92.5% Visibility:0M
 
 Lacon Weather Forecast Summary  
 
Today
Dec 1st
Tuesday
Dec 2nd
Wednesday
Dec 3rd
Thursday
Dec 4th
Friday
Dec 5th
Flurries Cloudy Cloudy Cloudy Cloudy
27°F
22°F
7°F
32°F
11°F
11°F
-4°F
28°F
1°F
 
 Lacon Detailed Weather Forecast  
 
Monday, December 1st, 2025
Morning Temperature: 25°F
Cloudy with flurries likely.
Afternoon Temperature: 26°F
Cloudy with flurries likely.
Evening Temperature: 23°F
Cloudy with flurries likely.
Tuesday, December 2nd, 2025
Overnight Temperature: 10°F
Cloudy.
Morning Temperature: 17°F
Sunny with cloudy periods.
Afternoon Temperature: 12°F
Cloudy.
Evening Temperature: 19°F
Cloudy. Windy at times.
Wednesday, December 3rd, 2025
Overnight Temperature: 24°F
Cloudy. Windy at times.
Morning Temperature: 30°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 15°F
Cloudy. Windy at times.
Thursday, December 4th, 2025
Overnight Temperature: 0°F
Cloudy.
Morning Temperature: 7°F
Sunny.
Afternoon Temperature: -1°F
Sunny.
Evening Temperature: -1°F
Clear.
Friday, December 5th, 2025
Overnight Temperature: 2°F
Clear.
Morning Temperature: 19°F
Cloudy. Windy at times.
Afternoon Temperature: 28°F
Cloudy. Windy at times.
Evening Temperature: 24°F
Cloudy.
Saturday, December 6th, 2025
Overnight Temperature: 18°F
Cloudy with clear periods.
Morning Temperature: 28°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 34°F
Cloudy. Windy at times.
Evening Temperature: 37°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Sunday, December 7th, 2025
Overnight Temperature: 34°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: 29°F
Cloudy. Windy.
Afternoon Temperature: 21°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 17°F
Cloudy. Windy at times.
Monday, December 8th, 2025
Overnight Temperature: 16°F
Cloudy.
Morning Temperature: 24°F
Cloudy.
Afternoon Temperature: 23°F
A mix of cloud and sun.
Evening Temperature: 23°F
Clear. Windy at times.
Tuesday, December 9th, 2025
Overnight Temperature: 25°F
Clear. Windy at times.
Morning Temperature: 33°F
Cloudy. Windy at times.
Afternoon Temperature: 35°F
Cloudy. Windy at times.
Evening Temperature: 32°F
Cloudy.





 

  [ Local Weather Report ]
Henry, IL 
 
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Washington, IL 
 
Princeton, IL 
 
Peru, IL 
8:55 AM  21°F
mist
 
Oglesby, IL 
8:55 AM  21°F
mist
 
La Salle, IL 
8:55 AM  21°F
mist
 
West Peoria, IL 
8:54 AM  23°F
Overcast
 
East Peoria, IL 
8:54 AM  23°F
Overcast

 
This WeatherCity Weather Forecast for Lacon, 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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