NYC weekend storm to pummel area with heavy rain, damaging winds, severe weather: Forecast

A developing storm system will deliver widespread rain, damaging winds, severe storms and even snow to the eastern half of the U.S. this weekend, including parts of New York City.

"Although there's still a couple of things to work out timing-wise, it's going to deliver everything," FOX Weather Meteorologist Britta Merwin said. "But it all comes down to placement and timing."


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The FOX Forecast Center expects a fairly disruptive storm that will impact millions of Americans, creating travel trouble and leading to power outages along the East Coast.

"A December weekend with travel, and Atlanta is right in the crosshairs," Merwin said. "You can do the math on that one."


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This comes as a trough of low pressure rolls out of the western U.S. on Friday, triggering the development of a surface low over the central Plains. 

The initial low will kick off the event with widespread rain and some snow in the Upper Midwest by Saturday, the FOX Forecast Center said.

Weather timeline for New York City

A broad area of moderate to heavy rain will likely develop starting Friday from the Gulf Coast to the Great Lakes and eastward toward the East Coast.

An overview of the impacts expected from this weekend's massive storm in the eastern U.S. (FOX Weather)

Flash flooding will be a concern along the Gulf Coast to parts of the mid-Mississippi and lower Ohio valleys on Saturday, while the threat shifts eastward from the Florida Panhandle up to the mid-Atlantic and much of the Northeast on Sunday. 

Here's a look at the rain forecast through Monday. (FOX Weather)

This system's fast movement will help limit rain totals. However, significant moisture and sufficient instability should still support rainfall rates high enough to produce some flooding concerns, the FOX Forecast Center said.

Weather impacts for New York City

Gusty winds will likely develop over portions of the Rockies and Plains on Saturday due to the sharp difference in pressure between a wavy cold front and strong high pressure over the interior West. Gusts between 30 and 40 mph are expected in these areas. 

Expect strong winds along the mid-Atlantic and New England coasts on Sunday.(FOX Weather)

Strong winds are expected to develop along the mid-Atlantic and New England coasts on Sunday and perhaps into Monday, with 50 and 70 mph gusts possible near the coast.

These wind speeds could be high enough to create big travel problems at major airport hubs over the weekend, and power outages are possible across multiple states.

Other New York area impacts

Some snow will be possible on the northwestern side of the low from the north-central Plains and Midwest into the Great Lakes on Saturday, but details remain uncertain, the FOX Forecast Center said. Some snow may also fall after the system passes, mainly over the Great Lakes and into the Appalachians.

There are signs that colder air arriving behind the storm on Sunday night could result in a burst of heavy snow in the interior Northeast. 

Here's a look at the expected snowfall for the northern tier through Tuesday. (FOX Weather)

Accumulating snow is becoming increasingly likely in parts of upstate New York, Pennsylvania, Vermont, New Hampshire and Maine during a certain period of time. However, the FOX Forecast Center clarifies that, at the moment, it is difficult to predict exactly where, when and how much snow will fall.

"The 95 corridor, it's a bust if you like snow. It's a pro if you like 60s, but it's going to come with rain," Merwin said. "Sunday, although it's going to be mild, you're going to be inside your house. Sunday night, we start to cool things off, but still above freezing for the 95 corridor."

The FOX Forecast Center expects a fairly disruptive storm that will impact millions of Americans, creating travel trouble and leading to power outages along the East Coast.

Chris Oberholtz, with FOX Weather, helped contribute to this report.