Ecological warning lights have blinked on across the Arctic over the last 40 years, according to new research, and many of ...

This blast of cold weather is due to activity of the polar vortex.

WICHITA, Kan. (KWCH) - Arctic air returns this weekend, and it will bring some of the coldest temperatures we’ve seen so far ...

"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.

Northeast Ohio is experiencing extreme weather conditions this January, and temperatures are expected to be colder next week.

The Upstate area of South Carolina is set to experience a clear and calm week leading up to what could be another chance for ...

The National Weather Service has issued an Extreme Cold Warning for southeast Randolph and Northwest Pocahontas counties, as well as Cold Weather Advisories for the more mountainous regions. These ...

Chief Meteorologist Joe Fitzwater is tracking another night of brutal wind chill values and an incoming burst of snow in tonight’s forecast.

Dangerously cold weather will affect more than 100 million people in the U.S. with a blistery cold air mass coming from ...

Until a potential freeze next week, we can enjoy several days of weather that may be colder than normal, but temperatures ...

Frigid weather conditions with a cold blast related to the polar vortex are expecteted in the second half of the month in ...

Katabatic winds? Adiabatic compression? Time for a thermodynamics lesson! The record lack of rain has also made this Santa Ana event different.