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May 3rd, 2026 :: 7:58 am CDT   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
May 3rd
Monday
May 4th
Tuesday
May 5th
Wednesday
May 6th
Thursday
May 7th
Mix of Cloud and Sun Mostly Sunny Showers Mostly Cloudy Mostly Cloudy
68°F
75°F
54°F
59°F
46°F
57°F
45°F
60°F
44°F
 
 Mason City Detailed Weather Forecast  
 
Sunday, May 3rd, 2026
Morning Temperature: 51°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 66°F
Cloudy with sunny periods. Windy.
Evening Temperature: 61°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Monday, May 4th, 2026
Overnight Temperature: 55°F
Mostly clear with a chance of showers. Slight chance of a thunderstorm.
Morning Temperature: 61°F
Mostly sunny with a chance of showers. Slight chance of a thunderstorm. Windy.
Afternoon Temperature: 74°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 66°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Tuesday, May 5th, 2026
Overnight Temperature: 59°F
A mix of cloudy and clear skies with showers likely.
Morning Temperature: 56°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 49°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 47°F
Cloudy with showers likely.
Wednesday, May 6th, 2026
Overnight Temperature: 45°F
Mostly cloudy with showers likely.
Morning Temperature: 49°F
Cloudy with sunny periods.
Afternoon Temperature: 52°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 46°F
Cloudy with a chance of showers.
Thursday, May 7th, 2026
Overnight Temperature: 44°F
Mostly cloudy with a slight chance of showers.
Morning Temperature: 48°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 59°F
Cloudy with sunny periods with a chance of showers. Windy.
Evening Temperature: 55°F
A mix of clear and cloudy skies with a chance of showers.
Friday, May 8th, 2026
Overnight Temperature: 48°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 51°F
Cloudy with a chance of showers. Windy at times.
Afternoon Temperature: 61°F
Mostly cloudy with a slight chance of showers. Windy at times.
Evening Temperature: 56°F
Mostly clear.
Saturday, May 9th, 2026
Overnight Temperature: 51°F
Clear.
Morning Temperature: 57°F
Sunny.
Afternoon Temperature: 72°F
Mostly sunny. Windy at times.
Evening Temperature: 64°F
A mix of clear and cloudy skies. Windy at times.
Sunday, May 10th, 2026
Overnight Temperature: 58°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 63°F
Mostly cloudy with a chance of showers. Windy.
Afternoon Temperature: 73°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy.
Evening Temperature: 66°F
Mostly cloudy with a few showers. Chance of a thunderstorm.
Monday, May 11th, 2026
Overnight Temperature: 57°F
Mostly cloudy with showers likely. Windy at times.
Morning Temperature: 54°F
Mostly cloudy. Windy at times.
Afternoon Temperature: 60°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 57°F
Mostly cloudy. 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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