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Heat wave and severe storms disrupt Canada Day celebrations across Ontario and Quebec
Environment Canada, residents of Ontario and Quebec
Ontario and Quebec, Canada
July 1, 2026
This article is generated by cross-referencing multiple sources and official announcements. Parts relying solely on testimony or reporting are reflected in the confidence score; content and assessment are updated as new information is confirmed.
A severe heat wave accompanied by high humidity affected Ontario and Quebec on Canada Day. Extreme weather, including heavy rain and winds up to 100 km/h, forced the cancellation of fireworks and events in Ottawa and Toronto. Environment Canada issued rare orange alerts, with temperatures expected to reach 37 C through the weekend.