Transcript for Freezing Temperatures to Be Followed by Snow on East Coast
Our extreme weather team, led by sam, tracking the latest on the big chill. And where better to start us off, talking about freezing temperatures, than florida, sam? Oh, yeah. WINDCHILLS WERE STILL IN THE 20s As far south as atlanta and north florida. Let's get to this. The coldest air of the season the midwest to the northeast today. Look at these windchills you're facing this morning. And as we show you these pictures, incredible pictures of people working in that cold air. Bundled in the cold air. Mt. Washington, new hampshire, an 86-degrees below windchill. Now, 24 states, again today have winter weather watches, warnings or advisories. This is the coldest part of this air. And it gets better after this. A lot of people have faced these cold air. And some of the folks, no one knows it better than where our alex perez is standing in chicago. Good morning, alex. Reporter: Good morning, sam. Right now, the problem here in chicago and in the areas dealing with this extreme cold is how quickly everything is freezing. Going to step out of the way here. Look at this warehouse behind me here. This building caught fire on tuesday. And authorities are still here trying to extinguish the flames. Now, part of the problem is that the water they are using has turned this place into a huge icebox. This morning, from the upper midwest, all the way to the east coast, deep freeze danger. The only thing you can do is put on layers. Reporter: Crews tried to extinguish this massive blaze. When the fire was out, an urban igloo. All that water immediately turning to ice. In gaithersburg, maryland, a nerve-racking rescue wednesday. A man working on a cell phone tower 200 feet up was so cold, he lost the feeling in his hands and began to cramp up. Another worker had to climb the tower and safely get him down. In michigan, a driver's nightmare. Car on top of car, after snow and black ice called this 20-car pileup. Another pileup closed a stretch of i-90. In philadelphia and new york city, fire hydrants frozen in time. And in rural idaho, authorities believe 18-year-old college student joseph weedering died of hypothermia.
This transcript has been automatically generated and may not be 100% accurate.