Sunny days for the US economy could end abruptly if these 2 'storm clouds' hit, JPMorgan's Jamie Dimon warns

• The US economy is in good shape but there are "storm clouds" on the horizon, Jamie Dimon says.
• The JPMorgan chief worries about the fallout from pandemic stimulus as well as geopolitical risks.
• Dimon predicted choppy financial markets and warned stagflation is a possibility.

The US economy is enjoying sunny weather, but a storm may be brewing on the horizon, JPMorgan CEO Jamie Dimon has warned.