A storm system that brought rain to the area the middle part of the week will be in northern Quebec at the same time a new massive ocean storm starts developing hundreds of miles to our east this weekend. This upper-level pattern is going to pull down much colder air than we saw at the end of December and the start of the new year.

A polar vortex cold snap is set to hit the southern U.S. in the first full week of January. How could that affect Mississippi? Here's what we know.

The polar vortex is an area of cold air that circulates around the Arctic. That area can shift and expand, bringing lower temperatures further south than usual. Modelling by the independent forecaster Atmospheric and Environmental Research shows the polar vortex expanding over the US in the first two weeks of the new year.

Allison Gargaro talks about the Arctic Blast bringing cold weather into the Houston-area next week. Plus, John Dawson looks back at the freeze that hit the area around this time last year.

The polar vortex is an area of low pressure that exists over the Arctic at the upper levels of the atmosphere, in the stratosphere, during winter. Strong winds circulate counterclockwise around this low pressure area,

Many central and eastern states will see below-freezing temperatures to start 2025 A polar vortex is about to impact the United States and deliver what the National Weather Service has described as “the coldest air of the season to date.