Brockville – The Rainfall Warning continues for Brockville, Leeds-Grenville. Rainfall with embedded torrential downpours is expected. Rainfall totals of 40 to 80 mm are expected, with locally higher amounts possible. Torrential downpours give rainfall rates of 20 to 40 mm per hour at times.
This morning into Thursday morning.
Periods of heavy rainfall associated with the remnants of Hurricane Beryl will move into southern Ontario this morning. These types of weather systems can give very high rainfall rates in torrential downpours.
Rainfall amounts will likely be highly variable across the region, and some areas may receive more than 80 mm, particularly areas close to the St. Lawrence River. Rain will taper to scattered showers on Thursday morning.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources and Forestry office. Visit Ontario.ca/floods for the latest details.
Heavy downpours can cause flash floods and water pooling on roads. Localized flooding in low-lying areas is possible.
If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or tweet reports using #ONStorm.
More Stories
Youth Opportunities in the Arts Presents Elvis: Almost Christmas Saturday
Brockville Legion Hosting Christmas Pancake Breakfast with Santa this Sunday
Corinna Smith-Gatcke Sworn-in as 2025-2026 United Counties Warden