A powerful storm system roared across the Midwest and South Friday night, unleashing a series of tornadoes that carved paths of destruction and left at least three dead in Missouri.

A quickly-spreading wildfire, fueled by powerful winds, has forced the urgent evacuation of the entire town of Velma, in Stephens County Oklahoma. The Oklahoma Highway Patrol is closing parts of OK-7 to keep people out of danger as flames tear through dry grass.

Numerous significant tornadoes are expected Saturday afternoon and evening, with the highest risk across several states in the Deep South, forecasters say.