A state of emergency was also declared in Delaware, New Jersey, Massachusetts, and Rhode Island, with officials in several states urging people to avoid venturing out. More than 5,000 flights in and out of the United States were canceled for Monday, with New York City and Boston seeing the most cancellations and delays.

President Trump is expected to say the first year of his term has been transformational. Follow along for live updates and analysis from WSJ reporters and editors.