Al Roker will no doubt get a huge welcome when he returns to the set of “Today” on Friday. The popular weatherman has been dealing with blood clots in his lungs and legs since November. Roker was in and out of the hospital and admitted in mid-December “Listen, it’s been a tough slog. I’m not going to deny this. It’s been the hardest one yet, and you know I’ve had my share of surgeries. It gives you a profound sense of gratitude for this outpouring of prayers and thanks. I’m a very fortunate person.”