Iguodala had been listed as questionable with what was officially deemed "left calf tightness." The former Finals MVP appeared to suffer the injury at some point in Golden State's Game 3 win, as he sat out the entire fourth quarter.
An MRI on his calf returned clean Sunday.
The Warriors are attempting to complete the sweep over Portland. A win Monday will cement the two-time defending champions a spot in their fifth straight NBA Finals.