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

The coldest air of the season will descend across the U.S. this weekend and early next week, bringing subzero wind chills ...

According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

Systems of atmospheric pressure can shape Texas weather as deadly hurricanes or as scorching heat domes, depending on whether ...