While the inflation rate is poised to subside this year, "it will not be a straight line," Raymond James chief economist Eugenio Aleman told CNBC.com at the time.
The Federal Reserve is tasked with getting inflation under control, while trying to avoid a deep economic recession.
What the latest inflation measure showsThe personal consumption expenditures price index, or PCEPI, is the central bank's preferred measure as it seeks to bring inflation down to a 2% target.
Based on Friday's data, it's "almost a certainty" the central bank will raise rates by 25 basis points in March, and maybe even higher, Luther said.
A period of below 2% inflation would be needed to see prices subside back to where they were, Luther said.