Thousands of Americans are without power as severe weather is hitting the eastern half of the United States on March 16.

A significant severe weather outbreak is underway across several East Coast states Monday afternoon as a powerful storm system brings heavy rain and damaging winds to millions of Americans.

As of 1:30 a.m. ET Monday, there were nearly 340,000 customers without power across seven states, according to PowerOutage.us, including over 80,000 in Michigan, nearly 70,000 in Texas and about 50,00...