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January 14th, 2026 :: 8:01 am CST   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Cloudy Flurries Cloudy Cloudy Cloudy
41°F
30°F
19°F
38°F
24°F
21°F
12°F
20°F
10°F
 
 Mason City Detailed Weather Forecast  
 
Wednesday, January 14th, 2026
Morning Temperature: 31°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 25°F
Sunny. Windy.
Evening Temperature: 22°F
Clear. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 19°F
Clear. Windy at times.
Morning Temperature: 24°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Mostly cloudy.
Evening Temperature: 29°F
Cloudy with flurries likely. Windy at times.
Friday, January 16th, 2026
Overnight Temperature: 31°F
Cloudy with a chance of flurries or showers. Windy at times.
Morning Temperature: 35°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 34°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy at times.
Evening Temperature: 26°F
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 20°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 18°F
Cloudy. Windy.
Afternoon Temperature: 16°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 13°F
Mostly clear. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 15°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 18°F
A mix of cloud and sun.
Evening Temperature: 20°F
Cloudy. Windy at times.
Monday, January 19th, 2026
Overnight Temperature: 20°F
Cloudy with clear periods. Windy at times.
Morning Temperature: 21°F
Cloudy. Windy.
Afternoon Temperature: 17°F
Sunny. Windy at times.
Evening Temperature: 14°F
Clear. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 11°F
Clear. Windy at times.
Morning Temperature: 18°F
Sunny. Windy at times.
Afternoon Temperature: 20°F
Sunny with cloudy periods.
Evening Temperature: 22°F
Cloudy. Windy at times.
Wednesday, January 21st, 2026
Overnight Temperature: 23°F
Cloudy with a chance of flurries.
Morning Temperature: 23°F
Cloudy. Windy.
Afternoon Temperature: 18°F
Sunny.
Evening Temperature: 17°F
Clear.
Thursday, January 22nd, 2026
Overnight Temperature: 19°F
Cloudy. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
A mix of cloud and sun.
Evening Temperature: 27°F
Clear. 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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