By:Credit unions celebrating milestone anniversaries are advertising some of the highest certificate of deposit (CD) rates in the country. Following the Fed decision, savers can expect “stability” in CD rates in August, according to CD Valet. CD rates will likely rise if the Federal Reserve raises interest rates later this year. “The Fed’s benchmark rate is an important factor impacting CD offers, but competition is another major driver of CD rates. The 10 highest CD rates available right nowHere are the 10 CDs with the highest rates, deposit ranges and terms.