Complete and breaking coverage of the destructive weather hammering states from Iowa to the Carolinas, decimating homes, towns and families.
Parts of Wyoming got up to 3 feet of snow and Colorado saw a foot, while the Plains cleaned up from tornadoes and anticipated more thunderstorms.
A tornado tears through Orrick, Missouri, Saturday. The storm ripped off several roofs and flipped cars. No injuries were reported.
After a violent tornado ripped through Mississippi, many members of the community rebuild and remain hopeful.
President Obama took a look at the damage and also spoke to families who lost homes and businesses in last week's tornadoes in Arkansas.
President Barack Obama on Wednesday got a close-up look at the devastation wrought on Arkansas communities in the path of deadly tornadoes that struck late last month.
John Servati held up a retaining wall so that his girlfriend could escape, but dies from injuries he sustained when the wall fell on him on Monday.
The president will travel to Little Rock on Wednesday to see the tornado destruction that left 15 dead.
Authorities decided to open a dam in Maryland after floodwater started to gush through — the last blow from a storm system that killed 38 people.
The tornadoes that killed 38 people this week came only halfway through the busiest and deadliest tornado season. Historically, May is almost as bad.
Hundreds of people were evacuated from homes and hotel rooms in Laurel, Md., as floodwaters continue to rise following a line of severe storms.
At least two inmates died and more than 150 people were injured when an apparent gas explosion collapsed part of a county jail in Pensacola, Florida.
First responders on boats rushed to rescue dozens of panicked families in a Pensacola apartment complex.
It was a quiet tornado season in the United States until this week, when a relentless storm system slowly raked across the country.
A clean-up debris fire burns in Vilonia, Arkansas as friends and neighbors sift through rubble to find their belongings.
Scroggin's cattle farm in Vilonia was in the direct path of Sunday's tornado. The twister took out his home, barn and nearly a quarter of his cattle.
A flood of casualties filled Conway Regional Medical Center after a ferocious storm tore through the area.
People survey the damage on Scenic Highway after part of the road collapsed following heavy rains and flash flooding in Pensacola, Fla.
Tornado survivors piece together their lives after this week's severe storms and tornadoes.
A major storm system that brought tornadoes to regions of the South dumped more than two feet of water in a little over a day in Florida.
Vehicles rest at the bottom of a ravine after the Scenic Highway collapsed near Pensacola, Fla.
Devastating power of tornadoes revealed in debris left behind.
Tornado alerts were issued for Georgia, Alabama, Florida and North Carolina early Wednesday as the deadly storm system brought more extreme weather.
More than two feet of rain fell in a 26-hour period in Pensacola, Fla., washing away bridges and closing mile after mile of highways.
When the tornado siren started blaring on Sunday, Christian Gunter got to work.
The death toll across the region is now at least 34 as violent weather demolished homes, producing winds of up to 200 miles per hour.
Tornado victims in Mississippi dig out as forecasters warn of another round of severe storms. Sarah Dallof reports.
"That dog loves his home," Lentz said. "It's a miracle."
At least four more tornadoes were confirmed to have touched down in North Carolina, and life-threatening floods washed over the Gulf Coast
A mother in Kimberly, Alabama gets emotional as she recalls hearing a tornado warning just moments before it stuck her community.
A resident of Kimberly, Alabama says he took tornado warnings lighter than he should have as he surveys the damage done to his home.
Eight people died in Vilonia, Ark., more than in any other place during this week's tornado outbreak.
The victims included an Iraq veteran, a widow, a husband, sisters and young boys. Here is what we know about those killed by the tornadoes.
A storm chaser gets close to a twister near Louisville, Mississippi.
A tornado hits the state and turns local businesses into rubble.
The mayor says it helped that the twister struck when many people in his city were in office buildings or restaurants.
A couple loses their home of 57 years after a tornado hits Mayflower, Arkansas. In the aftermath, they recover their 50th wedding anniversary plaque.
Severe rain is threatening flooding across a vast area from the Plains to the Gulf Coast and the Mid-Atlantic.
Official says "dozens of homes have been destroyed" after tornadoes hit southeastern Tennessee.
Alabama man Cotton Rohrscheib was driving on a highway near Mayflower, Arkansas, when a deadly twister touched down.
On Tuesday, areas hit hardest a day earlier “are going to get a repeat performance,” according to Weather Channel chief meteorologist Kevin Roth.
Three key buildings were damaged in Kimberly, Alabama, late Monday but no injuries were reported.
"The crews are cutting through trees and debris as we speak, but right now we don't know exactly how much damage we are dealing with."
Gas leaks, trees are down and power outages have been reported in Bessemer, Alabama.
Four main ingredients make America the "tornado super bowl of the world, outpacing other lands by 10 to one.
Students at University of Alabama's Ridgecrest Residence Hall showed off how they took shelter late Monday.
An average of more than two tornadoes per hour were reported, according to NBC Bay Area's chief meteorologist Jeff Ranieri.
TODAY's Al Roker had a close call at his hotel in Birmingham, Alabama, early Tuesday.
Tornado watches were in place for four states early Tuesday, The Weather Channel reported.
Constance Lambert embraces her dog after finding it alive Monday when she returned to her destroyed home in Tupelo, Miss
Wade Lentz was handing over the keys for a new donated home to a mother and her disabled son. Hours later, his own family was homeless.
It's hard to predict exactly when and where tornadoes will strike, but meteorologists are working on ways to provide more advance warning.
Small communities have been wiped out in the path of a deadly storm that’s demolished homes in Arkansas and several other states.
In times of hardship, Arizona residents are lending each other a helping hand.
An outbreak of tornadoes cut across as many as seven states on Sunday, stretching from Nebraska to Iowa to Mississippi, and the worst may be yet to come.
As they surveyed the damage around them, tornado survivors said they felt lucky to escape with their lives.
An Arkansas man and his parents huddled in a closet while their roof was torn off by a twister.
This combination photo shows Monday's aftermath of the tornado that ripped through Quapaw, Okla. on Sunday.
The storms that spawned a spate of deadly tornadoes puff up like mushroom clouds in an animation that NASA assembled from weather satellite imagery.
A tornado touched down in Quapaw, Oklahoma last night leaving behing severe structural damage.
After a late start, the sudden impact of the 2014 tornado season may seem strange. But in 2012, twisters had killed 65 people by mid-April.
A tornado causes severe damage and leaves one person dead in northeastern Oklahoma.
Debris scatters the streets of Vilonia after a tornado rips through the town.
A tornado left a destructive path through Baxter Springs, Kan. on Sunday, damaging dozens of buildings and injuring at least 25 people.
A reporter's video footage shows how powerful the tornado was that struck Vilonia, Ark.
At least 14 people were killed in the state when tornadoes swept through more than a dozen towns on Sunday night.
Raw Video: A tornado is caught on camera moving through Hume, Missouri, on Sunday.
Tornadoes devastated the south-central United States on Sunday, killing at least 12 people.
Officials in Mayflower, Ark., hold a news conference to discuss tornado damage.
Storm chaser Greg Johnson said the damage in Vilonia, Arkansas, was so extensive that long-time residents could not tell which street they were on.
The Weather Channel's Mike Seidel captured an I-40 billboard wrapped around three RVs.
An infrared satellite image shows the complex thunderstorm system that produced at least 31 tornadoes through the Plains and South.
"A lot of people had to rebuild after the tornado three years ago. The town has fantastic community spirit and we will rebuild."
Stunned locals survey the damage after a deadly tornado ripped through the town of Mayflower, Arkansas.
The tornadoes that raked Arkansas on Sunday were only the storm system's first round. Monday was much like Sunday, and Tuesday will look like Monday.
“We’re hanging in there,” one official said early Monday.
"Trees were really bending and the light poles were actually shaking and moving," one woman recalls.
The tornado threat for Monday appeared to be largest across Mississippi, northwest Alabama and the western half of Tennessee, Weather Channel says.
See the devastation left behind after a powerful tornado swept through Mayflower, Arkansas.
Big hail was reported early Monday near Teague, Texas.
Tornadoes were reported in Oklahoma, Arkansas Nebraska and Missouri, and golf-ball sized hail rained down in Johnson County, Oklahoma.
A tornado killed two people in the small northeastern Oklahoma town of Quapaw on Sunday, officials said.
Forecasters warn the storm likely will spawn tornadoes.
See where and when severe weather is expected in your area.
At least 13 people were killed as a tornado left behind a miles-long path of destruction in Arkansas on Sunday. Another person was killed in Oklahoma.
Debunker: This isn't the 'Wizard of Oz'; tornadoes are real, dangerous, and can happen anywhere. Protect yourself from these deadly storms by learning the truth about common tornado myths.