The coldest air of the winter is gripping much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast through the Valentine's Day weekend.
The dangerous cold gripping the eastern United States will set the stage for a significant snow and ice storm to unfold from Tennessee and Georgia to Maine Presidents Day into Tuesday.
Heavy rain will raise the risk of flooding and bring another dose of travel disruptions across more than a dozen states from the lower Mississippi Valley on Presidents Day to the East Coast on Tuesday.
Winter's frigid air can bring with it possible plumbing problems, including frozen pipes.
Snow days are exciting for children, but harsh cold and treacherous wintry weather can make it difficult to get outdoors and play.