Rain, at times heavy, and thunderstorms tonight.
What: Total rainfall amounts in excess of 50 mm. Peak rainfall rates of 40 mm in an hour.
When: Continuing through tonight.
Additional information: Rainfall amounts will be highly variable across the region. Rain will taper to scattered showers after midnight.
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Water will likely pool on roads and in low-lying areas. Visibility will likely be suddenly reduced at times.
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.