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Beaverdale, ON

Alerts in Effect

Rainfall Warning

Issued at 22:41 Wednesday 22 September 2021

Heavy rain is expected.

Significant rainfall and strong winds expected through Thursday morning.

Heavy showers and isolated thunderstorms are expected to continue before moving out Thursday.

Total rainfall amounts of 75 to 125 mm are expected by early Thursday morning with a few areas possibly reaching up to 150 mm.

In addition to the rain, strong northeasterly winds are expected tonight. Wind gusts of 70 km/h are anticipated, with stronger wind gusts to 80 km/h possible near the shores of southern Lake Huron and Georgian Bay. Localized tree damage and power outages are likely.

This widespread rainfall event is due to a cold front and a moisture laden low pressure system from the American Mid-west.

For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources and Forestry District office. Visit for the latest details.


Heavy downpours are likely to cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to or tweet reports using #ONStorm.

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