The National Weather Service confirmed that a large and destructive twister moved over Jefferson City shortly before midnight Wednesday. Berg's husband, 56-year-old Mark Berg, also suffered serious injuries in the storm, Ozarks First reported.
For the fourth consecutive day, tornadoes strafed the middle of the country Thursday, this time concentrated in sparsely populated panhandles of Oklahoma and Texas.
Since Monday, there have been almost 100 tornado reports across the central USA states, with 30 on Wednesday alone.
After the tornado hit, the Missouri State Highway Patrol tweeted that troopers were in the Golden City area to help the Barton County Sheriff's office and first responders.
He said police had received calls from people saying they were trapped in their homes; by daybreak, those people had been rescued, officials said.
The destruction in Missouri came as severe weather has ravaged the central United States over the past several days, unleashing twisters, drenching rain, flash flooding and hail.
A large and violent tornado has left at least three people dead in Missouri as torrid weather continues to pummel parts of America's midwest.
"Some communities may receive another 3 to 6 inches of rain on top of what already fell early this week".
"It sounds as if the injuries have been few, which is truly wonderful considering the extent of the damage", Jefferson City Mayor Carrie Tergin told CNN. His front windows shattered. "It's a chaotic situation right now". He and his family were unharmed.
Kerry Ann Demetrius locked herself in the bathroom of her Jefferson City apartment as the storm approached.
"I don't even know how to explain it", he said.
At least 29 tornadoes have been reported from early Wednesday into Thursday morning, mostly in Missouri and Oklahoma, the National Weather Service said.
Marlene Paul watches as the Arkansas River approaches at her Webbers Falls, Oklahoma, home. More than 1,000 homes have been damaged and 35 to 40 highways closed by flood waters in Oklahoma, Gov. Kevin Stitt told reporters Thursday evening.
Then, at 7:56 p.m., it said "a severe squall line capable of producing both tornadoes and extensive straight line wind damage" was observed near Lee's Summit, moving northeast at 25 miles per hour.
Significant damage was also reported in Jefferson City, and 20 people in the area were transported to hospitals to treat injuries, though officials expected that the number of injuries could go up over the course of the morning.