Here's what we're seeing right now from this powerful winter storm. Check back frequently for new updates.

Arctic cold air has pushed into the Southeast, bringing bitter cold temperatures as far south as Florida. The entire state is engulfed in wind chills below freezing, with the northern tier of the state seeing wind chills in the teens. Many cities are forecast to break records with these temperatures. Here’s the latest forecast.

A second shot of even colder air will soon settle into the U.S., stretching much farther south. Parts of Florida could experience their coldest temperatures in more than a decade.

Punxsutawney Phil sees his shadow more times than not, but science suggests clouds, camera lighting and tradition may matter more than the weather itself. From local weather statistics to Phil’s track record thus far, we’re exploring whether Phil is a misunderstood weather icon, or just the ultimate example of forecasting by vibes.

Days of extreme cold and heavy snow have transformed one of nature’s wonders into an awe-inspiring winter spectacle. But a winter storm didn’t discourage visitors from going to Niagara Falls. In fact, tourism officials say they usually see a boost when temperatures drop below freezing. Watch this video and you’ll see why.