 More details on our forecast coming up later in this newscast. Well, Prescott is set to host the world's oldest rodeo once again, with events kicking off next week. The rodeo, a staple of Prescott's Frontier Days celebrations, will begin on July 1st and run through July 7th at the Prescott Rodeo Grounds. Calvin Stewart, rancher and former rodeo contestant, shares his memories of attending the Prescott Rodeo.