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326 storiesnewest firstlatest June 21, 2026page 17 of 17
Environment Canada warned on June 21 that more rain and possible repeat storms could affect Montreal and southern Quebec, as atmospheric conditions remain favorable after recent flash flooding. The region is still dealing with the aftermath of Saturday night’s flooding.
Environment Canada reported flooding in several Montérégie locations on Saturday as violent thunderstorms triggered heavy rain, prompting a yellow weather alert through the evening. The agency continues to monitor the situation amid a broader period of severe storms across southern Quebec.
Environment Canada has warned that strong winds, heavy rain and a risk of severe thunderstorms will affect Toronto overnight Wednesday into Thursday, June 17-18, 2026, as a weather system moves through the area.
Heavy rain and thunderstorms on June 17, 2026 caused power failures in Montreal, temporarily closing Montreal‑Trudeau Airport and halting a segment of the REM until electricity was restored later in the day.
A severe thunderstorm watch covering several sectors of western Quebec is active for Saturday night, June 13, 2026, prompting residents to stay alert and monitor updates.
A severe thunderstorm watch is active for multiple regions of Quebec on Wednesday afternoon and evening, warning of possible high winds, heavy rain, lightning and hail. Residents are urged to monitor updates and take precautionary steps.
