Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, large hail and torrential rain.
Strong gusts can damage trees or buildings.
Nautical activities could be hazardous due to sudden, severe wind gusts on bodies of water.
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Heavy rain can cause flash flooding and significant reductions to visibility.
Strong wind gusts can damage trees, buildings and overturn vehicles.
Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
When thunder roars, go indoors! Lightning kills and injures Canadians every year.