Environment Canada has issued a weather statement for parts of southern Ontario, saying up to five centimetres of snow accumulation is possible in some areas, with Toronto getting its first snowfall of the winter.

People in northwestern Ontario will want to have their shovels ready as much of the region prepares for heavy snowfall on Tuesday. Environment Canada issued a weather advisory for the northwest with about 10 to 15 centimetres of snow forecasted.

Shifting winds push the focus of intense snow squalls into southwestern Ontario. Treacherous travel, reduced visibility and power outage risk. Meteorologist Nadine Powell highlights the troublesome travel routes.