"There is a possibility of flooding to occur near ravine areas and areas that are low lying and next to watercourses."

In addition to educating visitors at their museum, a series of personalized workshops promises to keep the heritage trades thriving as the next decade dawns.

"Where else in the country can you take the streetcar down to see salmon running through a river?"

The Toronto Region Conservation Authority has issued a warning saying Lake Ontario water levels remain high with "risks" during heavy wind or wave activity following Wednesday's heavy rain.

Locally, heavy rainfall accumulations of 20 to 40 mm are expected by the time precipitation comes to an end in Toronto and surrounding areas like Durham, Peel, Halton and York regions.

The Toronto and Region Conservation Authority said wind gusts up to 60 km/h on Wednesday could bring offshore waves higher than two metres.

The Toronto and Region Conservation Authority (TRCA) warns that these rainfall amounts may result in rising water levels in rivers and streams creating hazardous conditions. They also warn there may be ponding in low-lying areas.

"Parts of the GTA could see five centimetres of snow by the end of the weekend," Global News weather specialist Mike Arsenault said.

Caledon fire Chief Darryl Bailey said some homeowners have reported up to six feet of water in their basements.

"All shorelines, rivers and streams within the GTA should be considered hazardous," the Toronto and Region Conservation Authority said.