Mark Tyson said the couple's truck was crushed and their Lincoln was tossed upside down, but somehow their motor home parked next to their trailer suffered minimal damage.
A mobile home is a particularly risky place to be during a tornado, according to the National Weather Service website.
The severe weather could continue into Wednesday, although a CBS meteorologist said conditions are expected to improve by Thursday.
At least one person was killed near State Highway 152 and State Highway 34.
Gary Schulz, who owns a rental storage business near the Prairie Lake Estate Mobile Home Park, said a twister claimed his business eight years ago but spared it this time around.
The storm knocked out telephone services into and out of the city.
"Large hail, tornadoes and wind damage also will be possible outside of these areas across parts of the southern and central Plains".
Other tornadoes in western Oklahoma and the eastern Texas Panhandle have downed power lines and utility poles, but there were no immediate reports of injuries.
The Wisconsin Department of Natural Resources, Wisconsin Department of Administration, Wisconsin Department of Health Services, Wisconsin State Patrol, and Wisconsin Emergency Management have been assisting with response and recovery efforts. Throughout the night rescuers searched for survivors and victims, as the local sheriff said he had been told there were walls on top of people.
According to the National Weather Service, almost 300 preliminary severe weather reports filed in from Wisconsin to Texas, spanning Tuesday afternoon to early Wednesday.
The governor toured the damaged areas Wednesday, while the National Weather Service classified the tornado as an EF-2 plus - with peak winds of 120 miles per hour.
Two people were killed Tuesday - one in Wisconsin and another in Oklahoma - following tornadoes and severe storms that ripped through several states.
The tornado, which ripped through around 5:30 p.m., destroyed about 50 mobile homes - 10 of which are standing but inhabitable - and injured 25 people, 17 of whom were taken to hospitals.
Another resident of the trailer park, Robert Black, was standing outside his home watching the storm kick up when golf ball size hail drove him inside.
"It's going to be a long night", Risenhoover said. He says he and his wife drove away to safety and returned just after the twister left the area to find the park in ruins. Aerial footage showed a wide path of leveled mobile homes and debris.
First responders could hear people yelling for help when they arrived, the sheriff said, adding that at least one child was among the injured.
A strong area of rotation within a thunderstorm was detected on radar in Southeast Polk County, Wis., around 4:40 p.m. Monday and then moved into Barron County, the National Weather Service said.
Danny Ringer, the Elk City Fire Department chaplain, said that tornado killed 53-year-old Bo Mikles.
The Elk City police chief told KWTV some people were trapped inside tornado-damaged homes.