In Oklahoma alone, more than 150 blazes were burning, which have destroyed almost 300 structures and killed at least one person.

Several wildfires have burned across Oklahoma destroying several homes and buildings, including the farmhouse of that state's Gov. Kevin Stitt.

The National Weather Service's Storm Prediction Center warned of "near historic" fire conditions in the Plains.

At least 12 fatalities have been reported in Missouri, according to the Missouri State Emergency Management Agency. The deaths come as a massive storm system moving across the country unleashed winds that damaged buildings, whipped up deadly dust storms and fanned more than 100 wildfires.

The most fatalities as of Saturday morning were in Missouri, authorities said, with an estimated 11 people killed.