Active Weather Alerts
Squall Watch
Issued: 7:42 PM Jun. 18, 2025 – Environment and Climate Change Canada
A line of severe thunderstorms may reach the waters early this evening. Squalls to 55 knots are possible. ### Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Please continue to monitor alerts and forecasts issued by Environment Canada. For more information monitor Canadian Coast Guard radio or Weatheradio stations.
Severe Thunderstorm Watch
Issued: 6:49 PM Jun. 18, 2025 – Environment and Climate Change Canada
A line of severe thunderstorms may move from Michigan late this afternoon and this evening. What: Severe wind gusts up to 100 km/h. A brief tornado possible. When: Late this afternoon and this evening. ### Driving conditions may be difficult. Utility outages are possible. Significant damage to property, buildings and trees is possible. 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.
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