Trois-Rivières Snow Day Predictor – CSS du Chemin-du-Roy
Will Tomorrow Be a Snow Day?
Canada's most accurate snow day predictor
Trois-Rivières sits on the north shore of the St. Lawrence River midway between Montreal and Quebec City. The city averages approximately 240–280 cm of snow per year, driven by St. Lawrence Valley storm systems and nor’easters tracking through southern Quebec. Trois-Rivières is served by the Centre de services scolaire du Chemin-du-Roy, and its St. Lawrence corridor position exposes it to frequent heavy snowfall and mixed precipitation.
Will Trois-Rivières schools be closed tomorrow? Enter your city in the predictor above for tonight’s closure probability, updated hourly from Environment Canada data. Always confirm with your school board’s official channels before making plans.
Trois-Rivières School Boards – Who Decides Closures
- Centre de services scolaire du Chemin-du-Roy (CSSCDR) – French public schools in Trois-Rivières. csduroy.qc.ca | Announces: by 6:00–7:00 AM | Radio: Rouge FM 102.3, 106.9 FM | Facebook: primary announcement channel
- Centre de services scolaire de l’Énergie – Neighbouring French board serving areas north of Trois-Rivières (Shawinigan). csenergie.qc.ca
- Central Québec School Board – English public schools serving the Trois-Rivières area. cqsb.qc.ca
Trois-Rivières Snow Day Triggers – What Closes Schools Here
Trois-Rivières closures are driven by:
- St. Lawrence Valley storms: Systems tracking up the St. Lawrence Valley bring heavy snow and mixed precipitation to the Trois-Rivières area.
- Nor’easters: Major coastal storms track through southern Quebec, delivering significant snowfall.
- Mixed precipitation: The St. Lawrence corridor position means storms sometimes bring snow transitioning to freezing rain and ice.
Note: Like other Quebec cities, Trois-Rivières has strong snow-clearing infrastructure and a higher closure threshold than Ontario boards.
How Often Do Trois-Rivières Schools Close?
The CSS du Chemin-du-Roy averages approximately 3-7 closure days per year, reflecting St. Lawrence corridor snowfall moderated by Quebec’s strong winter infrastructure. January and February are peak months.
See Also – Nearby Predictors and Guides
Explore the Quebec Snow Day Predictor for all school boards in the province, or check nearby cities:
Related guides:
Frequently Asked Questions – Trois-Rivières Snow Days
Which school board and transport authority does the Trois-Rivières predictor track?
The predictor simulates data for Quebec’s French-language school service centre, the Centre de services scolaire du Chemin-du-Roy, as well as the English-language Central Québec School Board (CQSB). It tracks the specific cancellation protocols used by these regional boards.
Why does the Trois-Rivières predictor show a low percentage compared to Ontario predictors during a storm?
Quebec school boards have a much higher tolerance for winter weather than those in southern Ontario. Cities like Trois-Rivières are highly equipped with heavy-duty snow removal infrastructure, meaning the predictor requires a much more severe forecast—usually over 20 to 25 cm of rapid snow—before it will output a high cancellation probability.
What is the main weather trigger that spikes the Trois-Rivières predictor?
While standard snow rarely stops buses here, the predictor’s algorithm spikes drastically during a Verglas (Freezing Rain) Warning. Ice accumulation along the steep hills of the Mauricie region and major transit routes like Autoroute 40 creates severe safety hazards that force the boards to cancel transportation.
If the predictor hits 100% and school buses are cancelled, are the schools completely closed?
Yes, unlike in Ontario, when a snow day (journée de tempête) is declared in Trois-Rivières, schools are usually shut down completely for both buses and walking students. The predictor helps parents plan for total closures, meaning students stay home and daycare services (services de garde) may also close or run on emergency schedules.
What time is the Trois-Rivières snow day predictor most accurate?
The highest accuracy window is between 5:30 AM and 6:00 AM on the morning of the storm. School board officials in the Mauricie region finalize their road assessments overnight and issue official cancellation alerts to local radio stations and online portals by 6:30 AM.