Toasty isn't exactly how you will describe the bone-numbing coming days. "Multiple waves of arctic air continue to gather over northern Canada with eyes for the central and eastern United States ...

Another Arctic blast has been forecast to bring frigid air to a large section of the United States later in January.

40S. YES, IT IS TURNING MILDER, BUT IT IS GOING TO BE A BRIEF LITTLE WARM-UP COMING OUR WAY THIS WEEKEND BECAUSE AFTER A FRONT GOES BY, THE DOOR IS OPENING UP FOR A NEW BLAST OF ARCTIC AIR.

A powerful pattern is setting the stage for an amplified jet stream that will shunt cold air south, and the roots of this shift lie thousands of kilometres away in Japan. This January, the Arctic ...