Iowa marks 3 years since unprecedented derecho

The National Weather Service estimated damage from the derecho to be around 11 billion dollars, making it the costliest thunderstorm disaster in American history. Subscribe to Local 5 on YouTube: https://bit.ly/Local5YouTube_subscribe Add Local 5 on Roku: https://channelstore.roku.com/details... Download the We Are Iowa app: https://weareiowa.com/app Get Local 5’s "5 Things to Know" email newsletter in your inbox: https://weareiowa.com/email 'Like' Local 5 on Facebook:   / weareiowa   Follow Local 5 on Twitter:   / weareiowa5news   Follow Local 5 on Instagram:   / weareiowa