Rebuilding after Fiona could take 'months' -Canadian mayor

STORY: "The weather may have cleared, but the situation has not cleared at all," added Button.

Port aux Basques was one of the hardest hit towns on the southwest tip of Newfoundland with just over 4,000 residents. More than 20 homes were destroyed and according to local authorities the cost of damages is in the millions of dollars.

Fiona slammed into eastern Canada on Saturday, forcing evacuations as wind gusted up to 170 km per hour (106 miles per hour).

While the full scale of Fiona's devastation is not immediately clear, the storm could prove to be one of Canada's costliest natural disasters.

Hundreds of thousands of residents across Nova Scotia, Prince Edward Island (PEI), Newfoundland, Quebec and New Brunswick remained without power on Sunday. Emergency Preparedness Minister Bill Blair said hundreds of utility crews had already been deployed to restore power.

Officials warned on Saturday that in some cases it would take weeks before essential services are fully restored.