Flood alerts were issued from Virginia to Maine, and airports reported flight delays and cancellations as travelers prepare to head to their holiday destinations.

A “powerful” storm lashed the mid-Atlantic coast Monday with heavy rain and thunderstorms, leaving 59 million people from Virginia to Maine under flood alerts, almost 700,000 homes and businesses without power, and holiday travelers scrambling because of flight delays and cancellations.

There’s a slight risk of excessive rainfall over parts of New England through Tuesday, the National Weather Service’s Weather Prediction Center warned.