The combination of energy from the ongoing Plains Blizzard and a developing coastal low off the east coast is set to make for a messy stretch of days from the Carolinas into Maine.
NEW YORK – Drenching rain moving into the on Wednesday has now triggered a Flood Watch that covers more than 10 million people, including and much of New Jersey.
A large plume of moisture is heading up the Eastern Seaboard Wednesday, with the latest computer guidance suggesting rainfall totals will be heavier than initially forecast.

(FOX Weather)
The heaviest rainfall is expected along the Interstate 95 corridor from to from about 5 p.m. ET Wednesday to 4 a.m. ET Thursday and could result in .
“There will be a corridor from about Connecticut down into , maybe even closer to the Delmarva, where this rain is enhanced by a coastal low,” said FOX Weather Meteorologist . “Regarding the widespread rain, we’ll still see it through much of into New York. This zone, though, has been highlighted for the potential of maybe dealing with some or excessive rain.”
has upgraded parts of the Northeast to a Level 2 out of 4 risk for flash flooding – an area that includes , Philadelphia, New Jersey, and parts of Maryland.
(FOX Weather)
A Flood Watch is in effect until Thursday evening for nearly all of New Jersey, along with the Philadelphia metro area and northern Delaware.
(FOX Weather)
Rainfall totals could reach 1-2 inches across much of the region by Thursday, with isolated areas receiving 3 inches of rain.
(FOX Weather)
The has already warned northeast New Jersey of possible river flooding and of urban and poor-drainage flooding from to .
The heaviest rain will be over by Thursday night, but the slow-moving system will keep a chance of showers in the forecast through late Friday and even into Saturday morning.
(FOX Weather)
This could lead to problems for headed to , New York and Washington to celebrate the New Year. FOX Weather is forecasting travel delays for airports from the D.C. Metro area through Boston.
For the past week, a huge storm has been causing travel disruptions, resulting in thousands of flight cancellations and hundreds of delays in airports across the country – from the West Coast to the East Coast and everywhere in between.
Roads will be wet, too, but not super slippery. This is a warm system, and most of the will fall as rain, though there is a possibility of some flurries late Friday.
Expect some travel delays from D.C. to Boston as we finish out the work week.
(FOX Weather)
“Maybe you’re traveling. Maybe you’re heading home,” Morgan said. “is expecting that Thursday is going to be one of the busiest days as folks are going to be hitting the road, heading back home Thursday. Wednesday into Thursday is going to be also the wettest day of this week. So, we’ll watch that along that I-95 corridor.”

(FOX Weather)
New Year’s Eve will not necessarily be a washout, though, as a weak ridge forms over the Northeast and sets up dry conditions.
“Don’t be deceived by this – these next three days – because in New York City, things are going to be improving,” Morgan said. “We’re dealing with the cloudy, sort of gloomy conditions followed by the rain, but, overall, we’re going to see things dry out for the New Year.”
The coast is clear but rain and snow are in the New Year’s Eve forecast from Pittsburg to Buffalo, New York.
(FOX Weather)
Inland areas from through and into , New York, will not be so lucky, though. While the coast is clear, a mix of rain and is forecast from western New York into the Appalachians.