Deadly weekend storms destroyed thousands of buildings and killed at least 30 people in multiple states. See photos of the destruction.

Two people died in Fairfax County after fierce thunderstorms swept the Washington region Friday, toppling trees, swamping roadways, knocking out power and unleashing a wind gust of 69 mph at Reagan National Airport.

Tornadoes that swept through Kentucky, Missouri and Virginia killed more than two dozen people, destroyed homes and left thousands without power as residents began clearing widespread storm damage.

At least seven people are dead in Missouri after strong supercell storms that spurred tornado warnings slammed into St. Louis on Friday. Two others died in Virginia.

At least 28 people were killed after tornadoes hit Missouri, Kentucky and Virginia. Now, millions of people are bracing for another round of severe weather. St. Louis, Missouri Mayor Cara Spencer joins Ana Cabrera to detail the devastation her community is facing.

"A maturing central U.S. storm system is expected to produce another round of dangerous severe weather and instances of flash flooding today," the National Weather Service warned Monday. The forecast discussion added that "from a broader perspective," locally heavy rain was forecast to reach from the northern Plains to Texas.

Over $15 million in new federal funding is heading to Virginia's coastline to help protect communities facing rising seas, crumbling shorelines and mounting flood risks.

Flood advisories were in effect as a dozen states were at risk of severe storms, tornadoes and hail. Some areas could see 2 months' worth of rain.