00:48 Sioux Falls Tornado Rips Apart Building in Newly Released Footage Newly released footage from inside a health center in Sioux Falls shows the damage done by an EF-2 tornado that struck the city one year ago.

A child is missing and a flood emergency has been declared for parts of West Virginia as a second day of storms triggered flooding in parts of the Ohio Valley on Thursday.

The frightening news comes one day after several tornadoes touched down in Ohio and northern Illinois Wednesday evening and Thursday morning, the National Weather Service said. Tens of thousands were left without power across the Midwest as a derecho swept through the region, leaving a trail of damage from Illinois all the way to Virginia.

Here are the latest impacts from these storms:

West Virginia

A toddler is missing in Ravenwood after being swept away by fast-moving floodwaters , WOWK-TV reported. The child was reportedly playing in the water when he was swept away, the report added, and rescue boats have been deployed to look for the young boy.

As the heavy rainfall continued, flash flood emergencies were declared for the town of Richwood and the county of Greenbrier.

The dam at Summit Lake in Greenbrier County was breached by flooding Wednesday. Officials with Nicholas County EMS rescue crews told WBOY-TV that they are helping people evacuate their homes in nearby Richwood.

Several water rescues were underway Thursday near Jordan Creek , WSAZ.com reports. High water covering roads was reported in Marmet, Belle and Chesapeake.

High winds downed a tree onto a home with a person still inside in Charleston, WSAZ.com also said. The occupant was uninjured and the tree damaged the back of the residence. Wind damage was also reported near a Cabela's retail store. One of the signs was blown down.

Illinois

<img class="styles__noscript__2rw2y" src="https://dsx.weather.com//util/image/w/illinois_4.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0" srcset="https://dsx.weather.com//util/image/w/illinois_4.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 400w, https://dsx.weather.com//util/image/w/illinois_4.jpg?v=ap&w=980&h=551&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 800w" > Debris litters a cornfield after severe weather hit the Sterling Estates mobile home park in Pontiac, Illinois, Wednesday night. (James Neveau/NBC Chicago) (James Neveau/NBC Chicago)

As many as 18 reports of tornadoes came in Wednesday night, and NWS survey crews headed out Thursday morning to conduct damage surveys along 3 separate supercell paths.

An EF2 tornado was spotted in Marseilles-Seneca Wednesday night, according to NWS. Two separate EF1 tornadoes were also reported that same night in West Brooklyn and Cissna Park.

Shortly before 10:30 p.m. CDT, a large tornado moved into the town of Pontiac, Illinois. The tornado, which the National Weather Service has preliminarily rated an EF2, was left an 11-mile damage path.

The tornado ripped off the side of a Shell gas station , tossing mangled metal and wood around, ABC7 reports. Some pieces shattered the windows of parked cars. The glass hit one person, but the injuries were minor.

The driver of a semi parked at the gas station suffered a dislocated shoulder after the winds blew his truck over into its side, the station said.

Storm spotters reported seeing power flashes before much of the town of 12,000 lost power, and chasers who followed the storm into Pontiac saw destroyed mobile homes at a trailer park. According to the fire chief in Pontiac, two children inside a mobile home suffered minor injuries , WGN reports.

North of Ottawa, an EF0 tornado was confirmed by the NWS. The twister had maximum winds of 90 mph, measured 100 yards wide and stayed on the ground for 4.5 miles.

In the town of Seneca, fire crews were responding to reports of people trapped in a home, but nobody was believed to be injured inside the dwelling.

Area homeowner Jeff Maierhofer told ABC7 he and his family huddled together with several neighbors in the basement when the storm hit his farm, which dates back to the 1800's.

(MORE: Dangerous Storms Expected in Midwest )

"There's lots of extensive damage to the farm. We're not really sure about the house. There's no power up there right now. Haven't really been home because there's powerlines around there," he said. "Everybody's fine. All the neighbors are fine. Everybody checked in with everybody. But there's a lot of damage."

The night began when a tornado was observed briefly near Amboy by trained spotters at about 7:15 p.m. CDT Wednesday night. The second tornado was reportedly in progress just minutes later in Lee County, near the towns of Paw Paw and Compton. The NWS reported tree damage in Compton.



Hannah Eason, who lives in Morris, drove through the storm , ABC 7 reports.

"I was thinking I was going to die. I was really thinking that something bad was going to happen. It was just bad. I was about to cry," Eason said. "The rain... I couldn't even see when I was driving, the road.

A home in the north Chicago suburb of Evanston is "uninhabitable" after a lightning strike sparked a fire Wednesday evening, CBS Chicago reported. A neighbor called to report the two-story home had been struck by lightning and fire crews arrived to find smoke coming from the eaves with the attic on fire, the fire department said. No injuries were reported.

The storms then marched toward Chicago, and at Soldier Field, some 50,000 soccer fans attending the Copa America semifinal game between Chile and Colombia were asked to clear the stands and seek shelter Wednesday evening, according to the Associated Press. The teams were allowed to play the first half, but storms moved in at halftime, forcing stadium officials to activate the storm safety plan.

Localized flooding was also reported in some areas. In the town of Palatine, Illinois, low-lying areas took on water quickly.

Indiana

The severe storms rolled eastward through Indiana later Wednesday evening, damaging several buildings, a radio tower and downing numerous trees across the state.

A large outbuilding on a farm near Brookston containing several tractors, a combine and other farm equipment had its roof completely ripped off , WTHR reports.

The high winds during knocked over a radio tower in Russiaville early Thursday morning.

"Just all of a sudden it was raining sideways and blowing so hard, you couldn't see in front of your face ," Russiaville Town Marshal Roger Waddell told Fox 59. "We heard tree limbs snapping and I heard some stuff blowing around."

The tower, which was mostly used for a broadband internet service, landed on some power lines and was resting on the roof of an RV business.

Steve Jones, the owner of State of the Art Communication, told WISH local ambulances also used the tower for communication, and he is working on a plan to get it fixed.

The Indianapolis Power & Light Company reported Thursday morning that more than 10,000 customers were without power in the Indianapolis area.

Ohio

The NWS has confirmed a pair of EF0 tornadoes hit the Buckeye State during the severe weather outbreak, with damage surveys ongoing. One tornado was confirmed in Fayette County, east of the Washington courthouse, while the other occurred in Clinton County, southwest of Wilmington.

No injuries have been reported , WLWT.com said, but photos and video from the area showed a variety of damage to trees, wires and some buildings between Waynesville and Wilmington. Trees were also reported down on houses in West College Corner, Madison Township and Hyde Park.

Around 34,000 Duke Energy customers were left without power at one point during the storm.