<p>Heavy rain swept across Iowa, triggering flash flooding on Thursday, June 14. Much of the flash flooding was centered on Ames, where emergency responders performed water rescues.</p><p>Among the rescues was a postal worker whose vehicle was trapped in the water under an overpass, according to a news report</a>. Multiple roads were closed due to the flooding.</p><p>This video shows the storm clouds rolling over Newton. Credit: MaryAnn Miller via Storyful</p><br />