Snow Day Guides

How schools actually decide closures and delays, how to read a prediction, and where snow days come easiest — then check your town.

• How Schools Decide to Call a Snow Day

  The real decision behind a snow day — who makes the call, when, and which weather factors tip schools from "open" to "closed" or a 2-hour delay.

• How Accurate Is a Snow Day Predictor?

  What a snow day predictor can and can't know, how our transparent model works, and how to read the percentage without being misled.

• What Causes a 2-Hour Delay (and How It Differs From a Closure)

  Why schools choose a 2-hour delay instead of closing, the conditions that trigger one, and why delay odds peak when a storm is borderline.

• Snow Day Odds by State: Where Schools Close Easiest

  How snow day chances vary across the US — from the Deep South, where an inch shuts everything down, to New England, where it takes a real storm.