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Sunrise:  6:41 am
Sunset:  5:42 pm
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Mar 4

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Mar 11

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February 21st, 2026 :: 5:31 am CST   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
Feb 21st
Sunday
Feb 22nd
Monday
Feb 23rd
Tuesday
Feb 24th
Wednesday
Feb 25th
Cloudy Cloudy Mix of Cloud and Sun Cloudy Cloudy
37°F
30°F
20°F
31°F
17°F
48°F
24°F
45°F
31°F
 
 Mason City Detailed Weather Forecast  
 
Saturday, February 21st, 2026
Morning Temperature: 33°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Mostly sunny. Windy at times.
Evening Temperature: 26°F
Cloudy. Windy at times.
Sunday, February 22nd, 2026
Overnight Temperature: 22°F
Cloudy. Windy.
Morning Temperature: 25°F
Cloudy. Windy.
Afternoon Temperature: 24°F
Cloudy. Windy.
Evening Temperature: 20°F
Cloudy. Windy.
Monday, February 23rd, 2026
Overnight Temperature: 18°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 26°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 26°F
Sunny.
Evening Temperature: 24°F
A mix of cloudy and clear skies.
Tuesday, February 24th, 2026
Overnight Temperature: 24°F
Cloudy. Windy at times.
Morning Temperature: 39°F
Cloudy. Windy.
Afternoon Temperature: 46°F
Cloudy. Windy.
Evening Temperature: 44°F
Cloudy. Windy at times.
Wednesday, February 25th, 2026
Overnight Temperature: 43°F
Cloudy. Windy at times.
Morning Temperature: 42°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 38°F
Sunny.
Evening Temperature: 32°F
Cloudy.
Thursday, February 26th, 2026
Overnight Temperature: 29°F
Cloudy with a chance of flurries.
Morning Temperature: 36°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 35°F
Sunny with cloudy periods.
Evening Temperature: 30°F
Clear.
Friday, February 27th, 2026
Overnight Temperature: 28°F
Clear.
Morning Temperature: 40°F
Sunny. Windy at times.
Afternoon Temperature: 39°F
Sunny. Windy at times.
Evening Temperature: 39°F
Clear. Windy at times.
Saturday, February 28th, 2026
Overnight Temperature: 38°F
Cloudy. Windy at times.
Morning Temperature: 55°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 50°F
Sunny. Windy.
Evening Temperature: 35°F
Clear. Windy.
Sunday, March 1st, 2026
Overnight Temperature: 26°F
Cloudy. Windy at times.
Morning Temperature: 30°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 29°F
Cloudy.





 

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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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