Michelle Bowman said such a big initial rate cut could complicate the Fed's mission of getting inflation back to its 2% target.

U.S. Federal Reserve Governor Christopher Waller, one of the more ardent voices in the central bank's battle to hike interest rates to tame inflation, said he supported a larger rate cut this week because he is now worried the pace of price increases is undershooting the Fed's target.

Having all but tamed inflation, the Federal Reserve is poised to do something Wednesday it hasn’t done in more than four years: Cut its benchmark interest rate, a step that should lead to lower borrowing costs for consumers and businesses.