Mason City, IA Weather - Tomorrow’s Forecast

Tuesday

Heavy rain

High:
84°F

A 40 percent chance of showers and thunderstorms before 9am. Some of the storms could produce heavy rainfall. Cloudy, then gradually becoming mostly sunny, with a high near 84. North northeast wind 3 to 6 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Partly cloudy

Overnight low:
66°F

A 30 percent chance of showers and thunderstorms, mainly after 5am. Increasing clouds, with a low around 66. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.