Heavy rain is expected.
What: Total rainfall amounts of 50 to 80 mm. Local rainfall amounts may approach 100 mm for locations that receive multiple thunderstorms.
When: Ending this afternoon.
Additional information: Showers and thunderstorms are expected to dissipate over southwestern Ontario by late afternoon.
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Water will likely pool on roads and in low-lying areas. Fast-moving and rapidly rising water can sweep vehicles away and damage infrastructure.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit https://www.ontario.ca/page/floods for the latest details.
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.