A heat advisory is in place across the Northeast, from Maryland to Maine, where residents are bracing for temperatures 5 to 15 degrees above average.

Forecasters warned more rain and flash flood risk is expected on July 15 after storms flooded out roads the day before.

Flooding caused delays on multiple New York City subway lines Monday as torrential rain pummeled the Tri-State Area, where many were under flash flood warnings. The storms were blamed for two deaths in New Jersey.