A sprawling area of storms infused with tropical moisture is dropping heavy rain along the Gulf Coast Thursday and could produce significant flash flooding into the weekend. Louisiana is at the greatest risk for dangerous flash flooding,

A flood watch will go into effect for much of south Louisiana this week as a slow-moving low-pressure system heads toward the Gulf of Mexico, bringing with it the potential for downpours and flash flooding along the Gulf Coast.

Its chances for tropical development are less, but rainfall flooding is a threat, regardless, in the lower Mississippi Valley. Here's our latest forecast.