A powerful nor'easter will push Atlantic Canada on Tuesday and Wednesday, bringing heavy snow, rain and intense wind gusts, potentially resulting in difficult travel, power outages and school closures

Environment Canada issued snow squall and storm warnings for parts of southern Ontario, including areas along the eastern shore of Lake Huron

A winter storm watch has been upgraded to a more severe winter storm warning for much of northern Ontario. Here's what we know about the wintry weather system on its way to the region.

A winter storm will deliver a punch of snow to millions in the Northeast after it dumps more white stuff on the snowy Midwest.

Environment Canada is forecasting the first major snowfall for Nova Scotia and parts of New Brunswick this week as special weather statements are in effect for both provinces.

The national meteorological service launched a new series of alerts on Wednesday. Instead of its maps and forecasts denoting watches as yellow, warnings as red and statements as grey, the weather office now has three colour-coded levels — based on severity — for each type of notice.

Canada's weather warnings have changed to a new colour-coded, risk-tiered system implemented by Environment and Climate Change Canada. The three alert levels — yellow, orange and red — are based on the potential impacts of a weather event and the forecast confidence.

Forecasters say a winter storm could disrupt travel, bringing up to two feet of snow across parts of the Midwest through the holiday weekend.

“We’re going to see snow, some areas along the Atlantic coast will see rain and then there’s going to be kind of a balance of the two for many areas,” Hubbard said. “So a lot of wet snow, that really sticky, heavy wet snow with this.”