Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts and damaging hail.
What: Wind gusts of 100 to 120 km/h. Toonie to golf ball size hail. Isolated instances up to tennis ball sized hail possible. Risk of a tornado.
When: Tonight.
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Utility outages are possible. Significant damage to property, buildings and trees is possible. There is a risk of serious 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 X using #ONStorm.
For more information: https://www.ontario.ca/page/be-prepared-emergency.