Extreme cold warnings have been issued for a large portion of the Northeast this weekend, including the Interstate 95 corridor from New York City and Philadelphia down to Baltimore. Strong and potentially damaging winds could gust as high as 50 to 60 mph, only adding to the misery. Wind chills will drop below zero, and it won’t take long for frostbite to set in on any exposed skin. Watch this video to see how low those wind chills could go…