A winter storm dumped heavy snow and treacherous ice on to parts of the Great Lakes and Northeast Friday evening into Saturday morning, snarling travel and knocking out power in parts of the region.

A final round of heavy rain is drenching California Friday and threatening to bring more flooding and debris flows after a days-long deadly siege of storms.

Cold and snowy weather has gripped much of the northern tier of the United States since Thanksgiving, but a pattern change will torch the chance of white Christmas for many.

A major storm is lashing California with powerful winds and is set to deliver months’ worth of rain that could trigger debris flows and flash floods.

An even more potent atmospheric river-fueled storm is on a collision course with California after a first storm triggered deadly flooding and evacuations over the weekend in Northern California.

Two levees have failed outside of Seattle since Monday due to swollen rivers from seemingly endless heavy rain.

Destructive winds along with other exceptional conditions are creating exceptional fire risk in Colorado and Wyoming.

(CNN) — High above the North Pole, in a slice of atmosphere rarely noticed and even less understood, a transformation is underway. Over the next 10 days, changes in the stratosphere will upend weather ...

The Trump administration announced plans Tuesday to shut down the National Center for Atmospheric Research, an organization responsible for improved weather models to tools that aid hurricane safety.

CNN's "New Day". You'll also find her throughout CNN's programs reporting on how science impacts the earth ranging from ...