Tornadoes left a trail of destruction in at least six states and the same storm system brought gusty winds that fueled more than 130 wildfires in Oklahoma.

Over 200,000 are without power across five states -- Missouri, Illinois, Indiana, Texas and Arkansas.

The Midwest and South face damaging wind gusts and tornadoes.

A dangerous, multiday severe weather outbreak is set to bring tornadoes, flash flooding and damaging winds to the Midwest, the South and the East Coast.

More than 120 million Americans in 30 states are bracing for a major, multi-day storm, with multiple states of emergency going into effect.

Heavy rains has hit the northern Italian regions of Tuscany and Emilia-Romagna, pushing the main rivers in the regions above alert levels for floodings

Powerful winds and rain swept Southern California and is now moving East, bringing snow to the Rocky Mountains and as much as 12 inches to parts of Colorado and Arizona.

The same powerful storm that battered Southern California with heavy rain and brought blizzard conditions to the San Bernardino Mountains is putting millions on alert from coast to coast.

NOAA is preparing to lay off more than 1,000 workers as part of the Trump administration's mandate for agencies to prepare "reductions in force," according to sources.

Evacuations are underway in the West as the threat of heavy rains, flooding and mudslides hits some of the same areas scorched by the recent wildfires.

ABC News’ Chief Meteorologist Ginger Zee tracks how this storm system will impact the rest of the country.

Evacuation warnings have been issued for parts of Los Angeles County, near burn scar areas due to high mudslide and debris flow risks.

A flood watch was put into effect in Southern California as a cross-country storm hammered the West Coast with rain. Meanwhile, another warmup is expected from Minneapolis to the Northeast.

Officials in Argentina say heavy rains that flooded a city on the country's east coast have killed at least 15 people

Strong winds made it difficult for planes flying into Washington, D.C. Winds gusted over 65 miles per hour in Massachusetts, where a scaffold collapsed on top of parked cars in Boston.

More than 580 NOAA and National Weather Service staffers have already been dismissed as part of government agency cuts, with more possible.

Approximately 70 million people are under wind alerts from New England to Washington, D.C., through Friday as a powerful storm system brings high winds across the Northeast.

A storm wreaked havoc across the eastern half of the U.S., bringing blizzard conditions to the Midwest, tornadoes to the South and torrential rain to the Northeast.

Families are gearing up for spring break travel, with 173 million Americans expected to take to the skies in March and April.

A deadly storm is wreaking havoc across the country, from blizzards in the Midwest to torrential rains along the East Coast.

A significant winter storm triggered warnings and advisories across several U.S. states as authorities prepared for heavy snowfall, high winds and possible power outages.

Three skiers are now presumed dead after a large avalanche buried them in snow up to 100 feet deep, according to authorities.

Two storms are targeting the country, with one bringing heavy rain to the East Coast and the second dropping snow and rain in the West.

At least 10 tornadoes have been reported in the South with Mardi Gras celebrations in New Orleans halted due to severe weather.

A major cross-country storm is moving east, bringing thunderstorms to the South from Texas to New Orleans on Mardi Gras Day before heading to the East Coast on Wednesday.

The National Weather Service issued tornado warnings early Tuesday for parts of Texas and Oklahoma, as the powerful winter storm moves east.

By Wednesday, the storm system will move to the East Coast, bringing heavy rain and damaging winds from Georgia to New York.

ABC News chief meteorologist Ginger Zee looks at the potential impact federal firings at the National Oceanic and Atmospheric Administration could have on safety.

ABC News Chief Meteorologist Ginger Zee shares the latest track and timing as the storm brings blizzard conditions, high winds and tornado threats across the country this week.

More than 115 million Americans are on alert for intense weather conditions as a major cross-country storm makes its way east. New Orleans canceled some of its Mardi Gras events as a precaution.

ABC News’ Juju Chang spoke with Zachary Labe, formerly of the National Oceanic and Atmospheric Administration, about how the agency's 600 layoffs could impact access to critical weather predictions.

Parades on Mardi Gras day have been canceled due to the dangers posed by extreme winds that could reach 60 mph in the New Orleans area on Fat Tuesday.

South Carolina Forestry Commission’s Doug Wood provides an update on efforts to stop widespread wildfires in the Carolinas.

A strengthening storm system will move across the country this week, bringing blizzard conditions to the Heartland and tornadoes and damaging winds to the South.

A strengthening storm system will move across the country this week, bringing blizzard conditions to the Heartland and tornadoes and damaging winds to the South.

Longer periods of extreme heat has been found to accelerate biological age in older adults by up to two years, according to new research.

While NOAA's adjustments might seem technical or obscure, the agency says they are crucial for providing a clearer, more accurate picture of climate trends.

ABC News’ Ginger Zee has the latest on the high risk for avalanche dangers after recent warm temperatures and stormy patterns.

A series of storm systems fueled by an atmospheric river brought flash flooding to the Pacific Northwest this weekend -- and more rain is on the way.

UNC Chapel Hill chancellor Lee Roberts announced classes had been cancelled due to the snow during a basketball game against North Carolina State University.

Nineteen states from Nebraska to Florida are facing cold weather alerts on Friday as a brutal Arctic blast persists -- but the warmup is finally on the way.

More than a dozen states broke their daily low temperature records on Thursday as an Arctic blast gripped the east half of the country.

A severe winter storm has plunged temperatures, affecting over 75 million people.

The death toll in Kentucky has risen to 15 from a devastating storm that battered the state this weekend.

A dangerous cross-country winter storm has sent temperatures plunging, with the Arctic air gripping more than 75 million people.

ABC News’ Ginger Zee is tracking the record-breaking cold weather.

On Wednesday, about 700 flights were canceled as winter weather affected parts of the country, particularly in Charlotte, North Carolina; Dallas, Texas; and Nashville, Tennessee.

Officials said search and rescue crews recovered the bodies of two people who died after being buried in an avalanche.

At least nine states from Georgia to Delaware are under snow and ice alerts as a winter storm moves east.

The latest winter storm has wreaked havoc on the roads, with wrecks reported across the Midwest as a blast of Arctic air makes its way across the country.