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January 3rd, 2026 :: 9:50 am CST   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
Jan 3rd
Sunday
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Cloudy Cloudy Cloudy Cloudy Cloudy
35°F
37°F
26°F
53°F
32°F
57°F
43°F
58°F
39°F
 
 Mason City Detailed Weather Forecast  
 
Saturday, January 3rd, 2026
Morning Temperature: 32°F
A mix of cloud and sun.
Afternoon Temperature: 29°F
Mostly cloudy.
Evening Temperature: 28°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 26°F
Clear.
Morning Temperature: 33°F
Cloudy.
Afternoon Temperature: 34°F
Cloudy.
Evening Temperature: 33°F
Clear. Windy at times.
Monday, January 5th, 2026
Overnight Temperature: 32°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 45°F
Cloudy. Windy at times.
Afternoon Temperature: 46°F
Cloudy.
Evening Temperature: 45°F
Cloudy.
Tuesday, January 6th, 2026
Overnight Temperature: 43°F
Cloudy.
Morning Temperature: 51°F
Cloudy. Windy at times.
Afternoon Temperature: 51°F
A mix of cloud and sun.
Evening Temperature: 48°F
Clear with cloudy periods. Windy at times.
Wednesday, January 7th, 2026
Overnight Temperature: 41°F
Cloudy.
Morning Temperature: 50°F
A mix of cloud and sun.
Afternoon Temperature: 49°F
Cloudy.
Evening Temperature: 47°F
Cloudy.
Thursday, January 8th, 2026
Overnight Temperature: 47°F
Cloudy.
Morning Temperature: 51°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 50°F
Cloudy.
Evening Temperature: 52°F
Cloudy. Windy at times.
Friday, January 9th, 2026
Overnight Temperature: 52°F
Cloudy with a slight chance of showers.
Morning Temperature: 60°F
Sunny. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 48°F
Cloudy. Windy.
Evening Temperature: 41°F
Cloudy. Windy.
Saturday, January 10th, 2026
Overnight Temperature: 36°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Morning Temperature: 37°F
Cloudy. Windy at times.
Afternoon Temperature: 36°F
Cloudy.
Evening Temperature: 32°F
Cloudy.
Sunday, January 11th, 2026
Overnight Temperature: 27°F
Clear.
Morning Temperature: 35°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 35°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 35°F
A mix of cloudy and clear 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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