Severe storms, heavy rain and flooding threaten millions across the East Coast Sunday

Severe storms, heavy rain and flooding threaten millions across the East Coast Sunday

Millions of Americans are facing another day of wet weather as downpours and thunderstorms target major cities from Washington, D.C. to Boston. A Flood Watch is in effect for New York City, Philadelphia and Providence, with an increased risk of urban flash flooding as a cold front sweeps through the region. Full forecast: