Five homes at Sioux Valley First Nation have been hit by what residents are calling a tornado, which Environment Canada is still investigating.

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Iris and Stan Cross sent in this photo Thursday with the caption, Our beautiful old barn was hit by tonight's tornado. The barn is located on Highway 21 about three kilometres north of the Trans-Canada Highway. (Courtesy Iris and Stan Cross ))

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This Sioux Valley family is in shock after a sudden storm Thursday. They have been forced to go to Brandon due to the damage. (Jill Coubrough/CBC)

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Many trees are down at the Shilo Country Club golf course after the storm Thursday evening. (Dave Scinocca)

CBC reporter Jill Coubrough said the roof of one home was ripped off, and the couple inside were taken to hospital in Brandon with minor injuries, according to Dakota Police.

Two garages were also tossed into the air and the area is littered with shingles, wood and other debris.

Environment Canada Meteorologist Dave Carlson said the agency is working to determine whether it was, in fact, a tornado.

"At the time, radar wasn't really showing a tremendous amount of rotation with this storm," Carlson said. "But that's not to rule it out. So hopefully we'll get some pictures and see what happens."

Carlson said the weather agency is looking for any photos or video of the storm.

Meanwhile, trees are down all over the golf course at Shilo Country Club.

Dan McMillan, who works in the pro shop, told CBC the storm hit suddenly early Thursday evening.

"We just sitting here, and the rain is hitting the building, and the hail is coming down, and the winds were looking pretty crazy," he said.

"We were even worried that something might bust through the windows. There was tree branches and tree trunks coming uprooted out of the ground and it was pretty wild."

He said the course was a mess right after the storm.

"Our practice green, the parking lots (are) all pretty flooded with big puddles. A tree uprooted right beside the first tee box," he said.

"That's probably a 50-year-old tree and there's another one right beside the driving range … another one halfway up the fairway on the first hole and the 18th hole [and]

 I can see one out by the tee box that's split in half, a big one.

"About halfway down the fairway there's another one that's bent over."

McMillan said it was not a normal storm.

"It was just a flash, like a ton of rain, ton of wind, ton of hail, but only for about 10, 15 minutes. Then it cleared off."

He said the main thing is everyone's fine, but the damage is extensive.

David Tachan's five-year-old son was playing outside when the storm roared through Sioux Valley First Nation.

"The winds came real fast first and that's when my wife came running out and got him. As soon as they came in that's when it … the tornado came, just in time," he said.

"So if he was outside it wouldn't be no good. I'm just grateful that god was looking after us."