There is a major weather pattern change underway across the U.S. As we get into next week, the storm track looks really interesting. Major upper-air pattern changes are quite normal. Sometimes we have ...

ORLANDO, Fla. – When you hear meteorologists talk about a polar vortex breakdown, it might sound like something that only affects the Arctic or northern states. In reality, these events can have ...

It’s an understatement to say it’s been a very cold winter. And it’s not close to being over. Reviewing our longer-term weather patterns, we are likely in for more freezing days ahead. You can thank a ...

Winter weather forecasts use specific terms that can be confusing to the general public. The "feels like" temperature and wind chill describe how weather conditions feel to the human body. Another ...

Record cold temperatures are once again expected to hit a swath of the country this weekend—even plunging Florida into its coldest stretch of the last 15 years, potentially bringing snow to areas of ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

Add Yahoo as a preferred source to see more of our stories on Google. A potentially major snow storm this weekend could give way to a blast of Arctic air for the second consecutive week. The next ...

A polar vortex is expected to bring two surges of extremely cold air to the U.S. in January. The polar vertex is a large area of low pressure and cold air that sits over Earth's poles. Middle ...

Update — If you’ve been waiting for a "classic" winter wallop, this weekend looks like it will finally deliver. A winter storm is going to develop on Friday in the southern Plains and track east, with ...

This story has been edited to correct an error. Judah Cohen is affiliated with the Massachusetts Institute of Technology. Our old wintertime friend the polar vortex ...

The first six days of January featured below-average temperatures and since then, through Thursday, readings have been notably above the 30-year mean. Four days hit 50 degrees or above. For those of ...