Cleveland Federal Reserve President Loretta Mester, a central bank policy panel voting member this year, said Friday she expects to some signs of strengthening in the U.S. economy in the second half of 2016.

"I think the economy is on a good track," she said in an interview on CNBC's "Squawk Box." "I think the employment numbers show that, I think the inflation's numbers are coming up slowly, they're below our target still but they're moving in the right direction."