Be patient. They stay the same size for 2-3 months, and when they begin the ripening cycle, they begin to swell in size.
Being in Salt Lake City, further north, the season begins later for you and ends sooner. When the season begins later, the figs will ripen later.
Here in So Cal we had an warm, early spring, so trees got a good head start this year, on top of having a longer season than our northern friends.