Localized heavy rainfall ending near midnight.
What: Total rainfall amounts of 20 to 30 mm. Localized amounts up to 50 mm possible.
When: Ending near midnight.
Additional information: Rainfall amounts have been highly variable across portions of southern Ontario today, with some areas seeing substantial periods with little rainfall.
Water will likely pool on roads and in low-lying areas. Visibility may 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.
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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.