(buzbuzzer/ E+/ Getty Images) The regions to be covered include Alberta, Atlantic Canada; eastern and western Ontario ... strength and frequency of extreme weather events. Human activities ...

as the swath of red on Environment Canada's weather alert map shifted east. Most of mainland Nova Scotia is under a freezing rain warning, which Environment Canada warns could affect the afternoon ...

While Eastern Canada is on the verge of seeing snowfall ... the region will be the battleground between the frigid weather to the northwest and much milder conditions across the eastern U.S ...

A rainy, foggy Thursday morning in eastern Ontario is expected to turn snowy, icy and windy later on, according to ...

Reports of an impending polar vortex collapse are circulating online, with some forecasts claiming that Arctic air could ...

The extreme winter weather most of southern Canada has been anticipating landed with a wallop Thursday morning, with much of southern Ontario and Quebec under winter storm and snowfall warnings, and ...

A polar vortex collapse is expected over the next two weeks, causing extreme winter weather and travel disruption across North America. The weather phenomenon is expected to develop in mid-March, ...

The extreme winter weather (new window) most of southern Canada has been anticipated ... snowfall warnings as a low-pressure system moves east toward the Atlantic provinces.