Bank executives have better insights regarding the economy than most. They don’t agree on what they see.

The state of the US economy is a hodgepodge of strong data and alarming signals. The unemployment rate is 3.6%, near a record low. Consumer spending and industrial-production data have been strong all year. Existing-home sales slowed in April, but home prices are still rising. And yet, there are warning signs that a slowdown is afoot.