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Sunrise:  7:05 am
Sunset:  4:34 pm
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Dec 13

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Dec 20

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Dec 27

Full Moon
Jan 4




December 5th, 2025 :: 10:48 pm CST   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
Dec 5th
Saturday
Dec 6th
Sunday
Dec 7th
Monday
Dec 8th
Tuesday
Dec 9th
Cloudy Cloudy Flurries Mix of Sun and Cloud Cloudy
31°F
32°F
24°F
30°F
9°F
22°F
3°F
40°F
20°F
 
 Mason City Detailed Weather Forecast  
 
Saturday, December 6th, 2025
Overnight Temperature: 25°F
Cloudy.
Morning Temperature: 31°F
Cloudy.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 30°F
Cloudy.
Sunday, December 7th, 2025
Overnight Temperature: 30°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 29°F
Cloudy with flurries likely. Windy at times.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 13°F
Clear with cloudy periods.
Monday, December 8th, 2025
Overnight Temperature: 4°F
A mix of clear and cloudy skies.
Morning Temperature: 18°F
Sunny.
Afternoon Temperature: 13°F
Sunny.
Evening Temperature: 16°F
Clear.
Tuesday, December 9th, 2025
Overnight Temperature: 22°F
Clear. Windy at times.
Morning Temperature: 34°F
Cloudy. Windy.
Afternoon Temperature: 39°F
Cloudy. Windy.
Evening Temperature: 40°F
Cloudy. Windy.
Wednesday, December 10th, 2025
Overnight Temperature: 42°F
Cloudy with a chance of showers. Windy.
Morning Temperature: 38°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 34°F
A mix of cloud and sun.
Evening Temperature: 33°F
Cloudy with a chance of flurries or showers.
Thursday, December 11th, 2025
Overnight Temperature: 35°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: 37°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 29°F
Cloudy with a chance of flurries. Windy.
Evening Temperature: 19°F
Cloudy with a chance of flurries. Windy.
Friday, December 12th, 2025
Overnight Temperature: 11°F
Cloudy. Windy.
Morning Temperature: 16°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 18°F
Sunny. Windy at times.
Evening Temperature: 17°F
Cloudy. Windy at times.
Saturday, December 13th, 2025
Overnight Temperature: 15°F
A mix of cloudy and clear skies.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 32°F
Sunny. Windy at times.
Evening Temperature: 32°F
A mix of clear and cloudy skies. Windy at times.





 

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This WeatherCity Weather Forecast for Mason City, 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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