Snow Day Calculator
A light-hearted guess at your odds of a snow day, based on forecast snowfall, temperature, and whether it's a school night — just for fun.
The math rewards heavy snow, cold-enough temperatures to make it stick, and snow that falls overnight so the roads aren’t plowed by morning. It’s meant to be fun — the real decision is always up to your school.
How it works
Let's be upfront: this is for fun, not a real forecast. Only your school or district can call a snow day. But it's a fun way to talk yourself into hope the night before a storm.
The estimate leans on the three things that usually tip the scales. Heavier snowfall pushes the odds up fastest. Cold-enough temperatures matter too, since snow near or above freezing tends to melt or turn to slush and clear on its own.
Timing rounds it out: snow that falls overnight leaves roads and sidewalks uncleared by the morning bus run, which nudges the chance higher. Enter your numbers, pick whether it's a school night, and see where the odds land.
Frequently asked questions
Is this an official snow day prediction?
Not at all — it's purely for fun. Real closures depend on road crews, bus routes, local policy, and a superintendent's judgment call, none of which a simple calculator can know. Always check your school for the actual decision.
What makes a snow day more likely?
In general: a lot of snow, temperatures cold enough for it to stick rather than melt, and snow that falls overnight so crews can't clear the roads before morning. Ice and freezing rain also raise the odds in real life.
Why does temperature matter so much?
Snow that falls at 35°F often melts or turns to slush and gets cleared quickly, so schools stay open. The same amount at 20°F sticks around, stays slippery, and is far more likely to trigger a closure — which is why the calculator weighs it.