Conditions will be favorable for lake-effect snow through the end of the week, threatening low visibility and dangerous travel conditions.
The coldest air of the winter will plunge southward across much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast during Valentine's Day weekend.
Untreated roadways and sidewalks could be slippery, causing some problems for the morning commute.
Episodes of snow and slippery travel will affect the mid-Atlantic states and parts of New England through Thursday.
Wildlife officials closed the popular tourist destination Three Sisters Springs early this week, after an estimated 300 manatees were seen congregating at the site for warmth.Read Story >