A storm system sweeping over large areas of the U.S. South and Midwest has resulted in at least 16 weather-related deaths, with overnight tornado and flash flood warnings setting up more severe weathe

Heavy rain will drench the Northeast on Monday as several states are reeling from last week's powerful spring storms that unleashed major flooding and left at least 21 people dead. Last week's storms wreaked havoc over the Midwest and the mid-South and later turned east.