A winter storm will move across the country this week, following strong winds and some snowfall in the Northeast on Monday. A woman was killed when a tree fell onto her car in Philadelphia.

More than 140 million Americans were under alerts Monday for high winds, extreme cold, and a new winter storm after a weekend storm path moved out.

Mayor of Pikeville, Kentucky, Jimmy Carter discusses the devastating storm that battered the state this weekend and led to dangerous flooding.

Mayor Craig Greenberg says his city conducted over 30 rescues over the weekend because of flash flooding.

At least 11 people died in Kentucky from a devastating storm that battered the state this weekend.

Here's what to know about staying warm and safe during freezing temperatures.

More than 1,800 flights were canceled in the U.S. and nearly 10,000 delayed on Sunday after New York, Boston, Philadelphia and Washington, D.C. were all hit hard by snow and sleet.

ABC News’ Chief Meteorologist Ginger Zee shares the forecast for the windy Northeast, as well as the developing winter storm set to hit in the coming days.

Rescue operations are underway in Kentucky after at least nine people, including one child, were killed after more than 6 inches of rain battered the state.

Dangerous flooding, powerful winds and wintry conditions across Eastern U.S leave at least nine dead and more than 100 million Americans under alerts for cold and snow.

ABC News’ Perry Russom reports severe weather in the Northeast is causing flight delays and cancellations across major cities as travelers return home from the holiday weekend.

110 million Americans are in the path of the major winter storm sweeping across the country. ABC News’ Faith Abubey and meteorologist Somara Theodore report on the latest.

The National Weather Service issued a rare warning of high risk for excessive rainfall from Tennessee to Kentucky. 

Mounting snow, rain and tornado threats across the country cause more than 90 million Americans to prepare for extreme weather conditions. 

ABC News' Somara Theodore is tracking the cross-country storm.

A winter storm is barreling east after slamming Southern California with rain, mudslides and a tornado. At least 30 states are bracing for heavy snow, flash flooding and severe storms this weekend.

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point on America’s winter of repeated polar vortex invasions starting this weekend

Flash flood warnings were issued for the Palisades after the rain triggered debris to flow from the burn scar-ravaged hillsides to the Pacific Coast Highway and forced closures.

ABC News’ Ginger Zee has the latest forecast as the storm system brings snow, rain and flooding throughout the country.

Valentine's Day could bring a dazzling display of the northern lights for stargazers in some parts of the U.S.

The third storm to race across the country this week has already started in the West, unleashing havoc on the highways and threatening mudslides in parts of California.

A storm has left tornado damage along the Gulf Coast and up to 1 foot of snow in the Plains and the Midwest.

ABC News' Matt Gutman shares the latest as heavy rain sweeps across the West Coast, causing flash flooding and a threat for mudslides in the regions hit hard by the wildfires last month.

ABC News’ Ginger Zee has the latest as two separate storms hit the country, bringing snow, ice, flash flooding and tornadoes to multiple states.

Two storms are forecast to traverse the country through the week’s end, bringing hazardous ice and snow to the Midwest, severe storms to the Gulf Coast and flooding to California.

As the Mid-Atlantic digs out from a snowstorm, a new winter storm is underway in the Plains that will move through the Midwest before slamming the East Coast.

ABC News Chief Meteorologist Ginger Zee shares the latest track and timing of the second winter storm hitting the country in days.

More than a million Americans are waking Wednesday up to an onslaught of snow and ice after a blitz of winter storms ravaged several states.

Snow, sleet and freezing rain are expected to continue pummeling the central Appalachians and mid-Atlantic states, while California readies for a storm that could flood areas ravaged by the recent wildfires

A dangerous mix of snow, freezing rain and ice is wreaking havoc across half the country, from the mid-Atlantic to Houston. It's been causing accidents on the road and weighing down power lines.

Major winter storms are bearing down on the U.S. this week.

ABC News’ Chief Meteorologist Ginger Zee has the latest as the first of three storms threatens to bring snow, ice and possible flooding to millions.

The first of two winter storms is forecast to hit Tuesday, stretching from Texas to Washington, D.C. The second begins Wednesday, bringing rain and snow from the Midwest to the East Coast.

The peak of the current solar cycle is ongoing, bringing spectacular views of the northern lights to several U.S. states.

ABC News Chief Meteorologist Ginger Zee shares the latest track and timing on the storms set to sweep across the country this week.

More than 18 million people were under winter storm alerts as of Sunday night, from North Carolina to New Jersey.

Drone footage captured a beach in Southampton, New York, covered in snow after a winter storm hit the region.

More than 18 million people across a large portion of the nation were under winter storm alerts on Super Bowl Sunday morning.

Over 90 million people are under winter weather alerts from the Midwest to the Northeast, as a significant winter storm brings snow and ice this weekend.

ABC News Meteorologist Somara Theodore reports on the storm impacting the Northeast, putting 15 million people under winter alerts.

The storm that hit the West Coast is making the trek across the country to bring a significant snowstorm to the Northeast this weekend.

As one winter storm leaves the Northeast area, another is expected to hit similar regions over the weekend, bringing several inches of snow.

Plus, an EF-1 tornado tore through Hart County, Kentucky, on Thursday.

Winter weather alerts were issued Thursday for 100 million people across 22 states, from Nebraska to Massachusetts, due to a storm that brought snow, sleet and freezing rain.

A winter storm has pummeled the Midwest and the Northeast with sleet, freezing rain and snow, leaving dangerous travel conditions for millions.

New Jersey Department of Transportation’s Chris Feinthel on what drivers should do in icy conditions.

Millions of Americans are hunkering down as a winter storm sweeps across the country and an icy mix creates hazardous conditions up and down the East Coast and parts of the Midwest.

ABC News’ Ginger Zee has the latest track and timing of the icy winter storm.

Two experienced hikers were rescued after an hourslong ordeal in which they became stranded in waist-deep snow and whiteout conditions on New Hampshire's challenging Mount Washington

ABC News Chief Meteorologist Ginger Zee has the latest on the storm system moving from the Midwest over to the Northeast.