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December 18th, 2025 :: 12:43 am CST   

Local Weather Report for
Mason City
Iowa, United States

 Current Mason City Weather Conditions Updated December 17th at 11:53 pm 
Mostly Clear
Temperature:36°F Dew Point:34°F
Barometer:29.39 inHg Wind:N 32 Mph
Humidity:93.1% Visibility:0M
 
 Mason City Weather Forecast Summary  
 
Today
Dec 18th
Friday
Dec 19th
Saturday
Dec 20th
Sunday
Dec 21st
Monday
Dec 22nd
Mix of rain and snow Cloudy Cloudy Cloudy Cloudy
41°F
25°F
9°F
32°F
24°F
30°F
24°F
37°F
26°F
 
 Mason City Detailed Weather Forecast  
 
Thursday, December 18th, 2025
Overnight Temperature: 39°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy.
Morning Temperature: 32°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 18°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Evening Temperature: 13°F
Cloudy. Wind 20 to 30 mph.
Friday, December 19th, 2025
Overnight Temperature: 10°F
Cloudy. Windy.
Morning Temperature: 15°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 20°F
Cloudy. Windy at times.
Evening Temperature: 23°F
Cloudy. Windy.
Saturday, December 20th, 2025
Overnight Temperature: 27°F
Cloudy. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy.
Afternoon Temperature: 27°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 24°F
Clear.
Sunday, December 21st, 2025
Overnight Temperature: 25°F
Clear.
Morning Temperature: 28°F
Sunny with cloudy periods.
Afternoon Temperature: 25°F
Sunny.
Evening Temperature: 24°F
Cloudy.
Monday, December 22nd, 2025
Overnight Temperature: 26°F
Cloudy. Windy at times.
Morning Temperature: 33°F
Cloudy. Windy.
Afternoon Temperature: 35°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 32°F
Cloudy. Windy at times.
Tuesday, December 23rd, 2025
Overnight Temperature: 31°F
Cloudy.
Morning Temperature: 37°F
Cloudy.
Afternoon Temperature: 36°F
Cloudy.
Evening Temperature: 36°F
Cloudy.
Wednesday, December 24th, 2025
Overnight Temperature: 37°F
Cloudy.
Morning Temperature: 38°F
Cloudy. Windy at times.
Afternoon Temperature: 38°F
Cloudy.
Evening Temperature: 39°F
Cloudy.
Thursday, December 25th, 2025
Overnight Temperature: 40°F
Cloudy. Windy.
Morning Temperature: 36°F
Cloudy. Windy.
Afternoon Temperature: 32°F
A mix of cloud and sun.
Evening Temperature: 32°F
Cloudy. Windy at times.





 

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This WeatherCity Weather Forecast for Mason City, Iowa, 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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