Yellow Watch - Severe Thunderstorm

Conditions are favourable for the development of severe thunderstorms that may be capable of producing large hail and heavy rain.

Thunderstorms are expected overnight into THursday morning.

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Heavy rain can cause flash flooding and significant reductions to visibility.

Large hail can cause significant damage and injury.

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 ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

For more information: https://www.ontario.ca/page/be-prepared-emergency.