Three people are dead and a regional airport was heavily damaged after powerful winds, including a tornado, swept across the upper Midwest, while nearly 150 million Americans were under a heat advisory or warning.

Three people are dead in North Dakota, and tens of thousands are without power in northern Minnesota and northwestern Wisconsin after powerful winds swept across the upper Midwest Friday and overnight Saturday.

Three people died late Friday in rural Enderlin, North Dakota, after severe storms spawned tornadoes that devastated the area. According to a Saturday statement on Facebook from the Cass County Sheriff's Office,