Adi Wasikesha
Founder, developer and editor of Cold Day Calculator
Hi, I'm Adi Wasikesha. I build and run Cold Day Calculator. I write the code for every calculator on this site myself, and I write or review every guide before it is published.
Why I built this site
Most snow day predictors online give you a percentage without explaining where it comes from. I wanted tools that show their working: which inputs they use, how each one is weighted, and where the formula comes from. So each calculator page explains which inputs it uses, how the result is worked out, and what the tool cannot know.
How the tools and guides are made
- Weather formulas (wind chill, heat index, snow-to-liquid ratios) follow the published methods of the US National Weather Service and Environment and Climate Change Canada.
- Live forecasts on US city pages come from the free National Weather Service API (api.weather.gov); Canadian city pages use Open-Meteo forecast data.
- School closure factors are based on what districts publicly say they consider — snowfall, road conditions, temperature/wind chill and bus safety.
- Results are always labelled as estimates. The official decision always comes from the school district or authority.
Corrections and contact
If a number looks wrong or a guide is out of date, please tell me. Email adiwasikesha@gmail.com or use the contact form. Corrections are reviewed and the page is updated. See the editorial policy and accuracy & data sources pages for details.