Webthe dreaded polar vortex will be making a trek south across a good portion of western canada this week, bringing a dangerous cold with it that will send daytime.

A polar vortex weakening may lie ahead.

Webthe polar vortex wobbles, becoming stretched and distorted, spilling out cold air and influencing the path of the jet stream.

Recommended for you

Here’s what that could mean the rest of this winter.

You may also like