Active Weather Alerts
Orange Warning - Rainfall
Issued: 1:18 AM Aug. 3, 2026 – Environment and Climate Change Canada
Localized heavy rainfall and thunderstorms continue. What: Total local rainfall amounts of 100 to 150 mm. Poor visibility in torrential downpours. When: Ending this evening. Additional information: Local rainfall amounts have exceeded 100 mm, including 107 mm at Port Weller. Additional rainfall amounts up to 25 mm are expected this evening. ### Localized flooding is likely. Some roads may become impassable. 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.
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