Brockville – Rain, at times heavy, is expected. Rainfall amounts of 50 to 100 mm expected by Monday afternoon.
A low pressure system is currently moving north along the eastern American seaboard while intensifying. It will become an intense autumn storm as it approaches eastern Ontario tonight. This storm will bring rain, at times heavy, tonight. Total rainfall amounts up to 100 mm are possible by Monday afternoon.
Strong north to northwesterly winds will develop early Monday morning as the storm approaches. The westerly winds that develop during the day on Monday are expected to reach gusts of 70 to 90 km/h. Winds will weaken slightly by Monday evening.
Given the presence of leaves on some trees, these high winds may cause broken branches and power outages.
For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources and Forestry District office.
If visibility is reduced while driving, slow down, watch for tail lights ahead and be prepared to stop. Localized flooding in low-lying areas is possible.
Rainfall warnings are issued when significant rainfall is expected.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to firstname.lastname@example.org or tweet reports using #ONStorm