Environment Canada has issued a special weather statement that spans from Kingston down past Prince Edward County, calling for heavy downpours in the region.
Showers and thunderstorms are supposed to start Wednesday morning and are expected to last until the afternoon.
Environment Canada says to expect somewhere between 20 and 40 millimetres of rain by the end of Wednesday morning.
The weather authority adds that additional showers and thunderstorms are also expected to hit the region later on Wednesday afternoon.
“A line of showers and thunderstorms extending north of Cobourg to north of Cornwall is moving south,” Environment Canada said in an updated special weather statement Wednesday afternoon.
Some of the thunderstorms are expected to produce wind gusts of 60 km/h.
More southerly regions saw significant rainfall early Wednesday morning, with areas like Port Hope and Oshawa experiencing heavy downpours.