Met Éireann says heavy rain on saturated ground with full rivers and high tides will lead to localised flooding ...

The groundhog saw his shadow, and meteorologists confirm the region's deep freeze will continue with weekend temperatures plummeting to 5 degrees.

Sudden stratospheric warming is expected to keep a weakened vortex splintered, plunging the region back to record-breaking ...

Punxsutawney Phil emerged from his tree stump on Monday and saw his shadow, signaling six more weeks of winter.

The bitter cold temperatures that have left a chill over the eastern half of the country aren't going anywhere, as a major disruption to the Polar Vortex is coming this month.

As another winter storm hits South Carolina and other regions, here's what to know about deciphering forecaster terms.

Meteorologist Sven Sundgaard predicted this wacky winter weather back in October, and he explains what's happening now and ...

Climate deniers are quick to say 'I told you so' when the mercury drops. But a warmer planet impacts weather in ways that can ...

Another winter storm is headed to NJ, New York City and the tri-state area, AccuWeather says. When will hit, and how much snow will we get?

The bitter cold at Niagara Falls is part of a polar vortex onslaught of frigid air that's plagued the central and eastern U.S ...

The greater Philadelphia region will experience no weekend letup in the prolonged cold snap gripping the area.

Another blast of Arctic air was set to spread across much of the United States from Thursday night, even as local authorities ...