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Severe Thunderstorms Threaten Southern Ontario and Quebec

7/8/2025

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Summary

Story summary

Severe thunderstorms are set to unleash chaos across southern Ontario and Quebec this Sunday, bringing the threat of large hail, torrential rain, and localized flooding. A cold front will spark storm activity, especially near Lake Huron and Georgian Bay. The Outaouais region faces rainfall warnings, with flash floods possible and up to 100 mm of rain expected by Monday.

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Story summary

Severe thunderstorms are set to unleash chaos across southern Ontario and Quebec this Sunday, bringing the threat of large hail, torrential rain, and localized flooding. A cold front will spark storm activity, especially near Lake Huron and Georgian Bay. The Outaouais region faces rainfall warnings, with flash floods possible and up to 100 mm of rain expected by Monday.