Sidelined three weeks with a sprained MCL, Forte declared himself "good to go" after Tuesday's practice.
"I probably could have played last Sunday, but I might not have been able to play coming up this week if something would have happened," Forte said, via the Chicago Sun Times. "Time heals and stuff. Just a couple of extra days will help."
Battling groin and shoulder injuries, Jeffery says he feels "a lot better" than he felt last week.
Chicago will need the added firepower against a fired-up Green Bay squad honoring Brett Favre at Lambeau Field.