Cold air will remain in place farther north, including Saint John, Moncton, Charlottetown, the Annapolis Highlands and the Cobequid Mountains. These areas could receive 10-20 centimetres of snow, along with gusts of 50-70 km/h.

Baron - Maritimes snow - Dec2

Commuters should expect difficult conditions Wednesday morning, with possible delays or closures on the Confederation Bridge.

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WATCH: Powerful winter storm slams Newfoundland with heavy snow

Wednesday will be Newfoundland’s turn, with snow and strong winds spreading across the island in the morning and intensifying by the afternoon. Snowfall rates could reach 3-5 centimetres an hour, with coastal winds gusting to 80-100 km/h. Inland winds could reach 60-80 km/h.

Baron - NL snow and winds - Dec2

The combination of heavy snow and strong winds may cause whiteout or near-blizzard conditions, slick roads and the possibility of road, school and business closures.

There is also the possibility of localized power outages.

Baron - NL ice pellet - Dec2

The forecast for southeastern Newfoundland remains somewhat uncertain. The Avalon and Burin peninsulas may see snow turn to ice pellets or rain as the low moves south of the region later Wednesday, potentially affecting snowfall totals.