Tornadoes were reported in Texas as strong northeasterdly winds brought rain and thunderstorms to large parts of the state.
Benjamin Charles Fitch, 27, was last seen walking in Mt. Juliet, Tennessee an hour before a tornado hit.
Officials in Nashville have announced changes to Super Tuesday's polling plans in the wake of a deadly tornado that struck this morning.
A tornado struck Nashville in the early morning of March 3, causing vast amounts of damage downtown. Images taken shortly after the event show collapsed buildings and downed power lines.
Among the fatalities included a police officer and a firefighter in Lubbock, Texas.
Several parts of Arizona, including Phoenix and Tuscon, have been issued with severe flood and thunderstorm warnings, with wind gusts of up to 60 miles per hour expected.
Storms whipped across the Northeast on Thursday night, bringing fierce winds and causing trees to fall.
A tornado that hit the South late on Sunday night caused severe damage to some parts of Dallas, Texas.
The Mayor of Dallas Eric Johnson said the city was opening Bachman Recreation Center for people seeking shelter in the tornado's aftermath.
Tropical storms often provide the perfect conditions for tornadoes to form when they make landfall.
Norm Johnson was thrown out of a window by a tornado that ripped through his Wisconsin home on Tuesday night.
It has not been confirmed that a tornado touched down at Billings airport, but an image has been shared on social media.
Flash flood warnings are in effect across El Paso County, which includes Peyton outside of Colorado Springs.
Madison County, Illinois, has called on the National Guard to assist due to flooding levels not seen since 1993.
A tornado touched down in Morgantown, Pennsylvania, as other mid-Atlantic states faced storms and rare tornado warnings.
Jamie Simpson stood his ground when being interrupted during a tornado warning on ABC 22 / Fox 45 Dayton.
"The overall weather pattern that has been in place across the U.S. will continue early this week, which will bring more rounds of severe weather to the Plains," AccuWeather Meteorologist Brett Rathbun said.
Storm and flood warnings remain in place after days of deadly weather in the Plains and Midwest.
"Strong to severe storms will be possible today," the National Weather Service (NWS) has warned.
Additional storm warnings for Missouri include large hail and strong wind gusts.
Multiple flood and tornado warnings have been issued across central states as severe weather set to continue.
"I fear casualties/changed lives today. These storms should not be entertainment," one meteorologist warned.
The fire tornado was captured on video by Cal Fire.
Almost 30 tornadoes hit Iowa just a day ago.
The tornado has caused widespread damage and power outages.
This technology could hear tornado storms hours before they start and potentially save lives.