Coverage Status
We currently publish detailed guides for selected states, provinces, and Ontario boards.
Use the school directory to see active coverage pages.
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Snow Day Chance
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Total Snowfall
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Peak Intensity
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8 AM Temp
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8 AM Wind
Forecast Inputs
Each estimate is calculated from forecast snowfall, wind, temperature, and visibility for school commute hours.
Rule-Based Model
The score is generated by published weighting rules in the page code. It is meant for planning, not for official decision-making.
Verify Officially
Always confirm closures with your district website, transportation alerts, and local emergency notices before acting on a prediction.
Data and Method
- Forecast provider: Open-Meteo API
- Geocoding: OpenStreetMap Nominatim + local fallbacks
- Scoring logic: deterministic weather-based rule weights
Editorial Standards
We disclose limitations, avoid guaranteed outcomes, and link to primary official sources.
❓ Frequently Asked Questions
Is this an official closure announcement?
No. This is an estimate built from forecast data. Official closure decisions come from your school board or transportation authority.
What weather factors are included?
Snow accumulation, snowfall rate, commute-hour timing, temperature, wind chill, wind speed, and low-visibility risk are all included in the scoring model.
What locations are supported?
You can enter Canadian postal codes and U.S. ZIP codes. District pages are available for selected regions listed in the schools directory.
Where should I verify final status?
Check official district channels, transportation websites, and emergency alerts. We maintain a source list at sources.html.
📝 Snow Day Tips & Updates
Understanding HDSB's Snow Day Decision Process
Learn how Halton Student Transportation Services evaluates weather conditions and makes the call to close schools...
Read More →Top 5 Activities for an Unexpected Snow Day
School's cancelled! Here are the best ways to make the most of your snow day in Halton Region...
Read More →Historical Snow Day Trends: What the Data Shows
We analyzed 10 years of HDSB closures to find patterns in when and why schools close...
Read More →🏫 Find Your School District
Browse currently available region pages and board guides.