Tornadoes tear through Iowa town as wildfires threaten Oregon

Millions of Americans are dealing with extreme weather conditions, including locals in Marshalltown, Iowa, where a string of tornadoes ripped through the town Thursday, causing damages and injuries. A scorching heat wave is also spreading across the South and the West, and a state of emergency was declared in Oregon after 160 wildfires spread across the state. NBC’s Ron Mott reports for TODAY.