Environment Canada says that a broad swath of southwestern Ontario could be drenched as a series of thunderstorms move through the region this evening.
It updated a special weather statement on Sunday evening, saying that many communities between Windsor and the Greater Toronto Area could see heavy rainfall in the hours ahead.
According to the statement, a series of showers and thunderstorms, associated with an incoming low-pressure system, will hit the region overnight, dumping anywhere from 15 to 30 millimetres on affected areas.
In some cases, the rainfall could be in the 30- to 50-millimetre range if an area is hit by multiple thunderstorms.
The incoming thunderstorms could bring wind gusts of up to 80 km/h, according to the statement.
The updated statement says the following parts of the province could be affected:
- City of Toronto
- Simcoe — Delhi — Norfolk
- Dunnville — Caledonia — Haldimand
- City of Hamilton
- Halton — Peel
- York — Durham
- Dufferin – Innisfil
- Windsor — Essex — Chatham-Kent
- Sarnia — Lambton
- London — Middlesex
- Oxford — Brant
- Huron — Perth
- Waterloo — Wellington