Yellow Watch - Severe Thunderstorm

Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing strong wind gusts, damaging hail and heavy rain.

Lines of thunderstorms developing over southern Manitoba are slowly moving eastward tonight and some of these thunderstorms could become severe.

What: Wind gusts up to 90 km/h. Up to loonie sized hail. Locally heavy rain.

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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.

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.