Another round of thunderstorms could soak New Jersey with a quick 1 to 2 inches of rainfall on Wednesday afternoon and evening.

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.

A flood watch was released by the National Weather Service on Wednesday at 12:03 p.m. valid from 5 p.m. until Thursday midnight for Northern Lycoming and Southern Lycoming as well as Sullivan, Union,

A flood watch was released by the National Weather Service on Tuesday at 2:37 p.m. valid from Wednesday 3 p.m. until Thursday 3 a.m. for Sussex, Warren, Morris, Hunterdon, Somerset, Middlesex and Mercer counties.

Early on Thursday morning the National Weather Service's Lake Charles office announced that it would be expanding the flash flood warning that previously went as far west as Vermillion Parish to include Calcasieu, Cameron, Allen, Jefferson Davis and Beauregard parishes. The watch is in effect from 7 a.m. on Thursday to 7 p.m. on Saturday.

Additional rainfall amounts of up to 1"-2" will be possible for much of Southeast Louisiana. Some locally higher totals will still be possible though. The National Hurricane Center (NHC) has been monitoring an area of low pressure, Invest 93-L. It now has a 0% of development as it moves through Southeast Louisiana.

A flood watch is in effect today with potential for heavy rain and severe storms. Expect scattered storms through Saturday before drier conditions and lower humidity arrive Sunday.

Today, 17 million are under flood alerts across the Gulf Coast and in the Mid-Atlantic, and 19 million are under heat alerts across the Mid-Atlantic, southern Florida and Mississippi Valley.

WHAT: Flash flooding caused by excessive rainfall is possible.