Riverwind, OBI hosting blood drive today Thu, 07/06/2023 - 5:00am Riverwind Casino, in partnership with Oklahoma Blood Institute, will host a blood drive from 10 a.m. to 6 p.m. Thursday,PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today! Read more about Riverwind, OBI hosting blood drive today