Al Roker is dealing with ongoing health issues. The 68-year-old Today show weatherman "went back to the hospital after Thanksgiving," a source close to Roker tells ET. ET has reached out to Roker and the Today show for comment.Roker was hospitalized earlier this month after a blood clot in his leg sent clots to his lungs. At the time, Roker wrote on Instagram that he was "fortunate to be getting terrific medical care and on the way to recovery."