She cited the declining unemployment rate and the flattening yield curve.
House lawmakers this week are scheduled to vote on an increase in the debt ceiling.
Powell has worked Congress during his three years at the helm like no Fed chair since Alan Greenspan.
Former Treasury secretary Timothy Geithner leads a blue ribbon panel that's reviewing U.S. government securities.
If action isn't taken, the U.S. could default on its maturing debt payments.
Fed officials surprised markets last week by accelerating their timeline for potential interest-rate increases.
The uncertainty about when higher rates for the wealthy could kick in has troubled investors and their tax advisors.
Yet the economy still faces challenges, including wage inequality and declining labor force participation, she said.
The Fed is looking at the impact of climate change through the lens of its duty for financial stability.
The Treasuries market was shaken in March 2020 as parts of the economy shut down.