The main goal of a Snow Day Calculator is to give a probability. For example, it may say there is a 70% chance of a snow day. This does not mean school will surely close. It only means the chances are high based on weather data and past patterns. Many students enjoy using the Snow Day Calculator because it builds excitement. The night before a storm, they check it and hope for a high percentage. Parents also use it to plan childcare or work schedules. Teachers and staff sometimes check it too, just to prepare.

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