Travel-snarling snowstorm to focus on mid-Atlantic through Sunday night

For live updates on the snowstorm, click here.

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The biggest snowstorm of the season for some cities, including Washington, D.C., will continue to slow down travel in the mid-Atlantic through Sunday night.

A long-duration winter storm remains over northern Virginia, Maryland, Delaware and southern New Jersey. After the snowstorm ramped up Saturday afternoon and night, it may take until Sunday night for the winter storm to depart.

Residents can anticipate more disruptions to weekend plans due to snow-packed and slick roads and flight delays and cancellations.

This winter storm has already turned deadly as it traveled across the central Plains and Ohio Valley, delivering St. Louis its largest snowstorm since 2014. For the latest information on how the storm is affecting the mid-Atlantic, please visit this news story.

Heaviest snow to focus along I-66 and I-95 in Virginia

As the storm strengthens along the coast, snow will persist across northern Virginia, Maryland, southern New Jersey and most of Delaware into Sunday night. Snow from southern Ohio will also streak eastward across southern and western Pennsylvania.

Travel along much of interstates 66, 70, 81 and 95 corridors in the region can be slow and slippery.

"By the time the storm winds down on Sunday night, totals can range from 6 to 12 inches from the panhandle of West Virginia through northern Virginia and central Maryland," said AccuWeather Senior Meteorologist Kristina Pydynowski.

This includes Baltimore, Washington, D.C., and Fredericksburg, Virginia.

As of early Sunday afternoon, a total of 5.4 inches had been measured at Reagan National Airport in Washington, D.C. Prior to this snowstorm, the nation's capital had not received more than 4.1 inches of snow from a single snowstorm since January 2016.

Several inches of snow and slow travel can be anticipated in Dover, Delaware, as well as Millville, New Jersey.

While a little snow may still graze the city, the accumulating snow has come to an end in Philadelphia's Center City. Motorists should still remain alert for lingering icy spots through the overnight hours.

On the western side of the storm, some snow is also expected farther north in western and central Pennsylvania from turnpike to near I-80. Motorists traveling around Pittsburgh should watch for slippery travel.

Dry, cold air has put the breaks on the snow from spreading much farther north than I-80 with this storm. A few snowflakes were seen in New York City, but the dry air will win out for the rest of the weekend.

Similarly, the pattern does not favor the storm making a sharp enough northward turn along the coast to send snow into New England.

Wintry mix expected in parts of southern Virginia

South of the steadiest snow, colder air plunging southward will cause many areas in southeastern Virginia and the southern Delmarva Peninsula to change from rain or a wintry mix to snow through Sunday night.

This includes in Petersburg and Wakefield, Virginia; Salisbury and Ocean City, Maryland; and Rehoboth Beach, Delaware.

Wet roads can turn slushy and then slippery with bridges and overpasses the first to become icy.

The storm has generally come to an end in southwestern Virginia and far northwestern North Carolina, but there can be pockets of freezing drizzle and snow showers that leave a fresh coating.

While the storm will depart most of the mid-Atlantic by Monday, residents hit by the snowstorm should anticipate lingering disruptions.

"Local roads not yet cleared by crews may be difficult or slow to navigate through," Pydynowski stated. "Some schools have already closed for Monday and more may follow suit."

An extended stretch of drier weather will grace the mid-Atlantic through the middle of the week. However, the daily cycle of daytime thaws and nighttime freezes can lead to icy spots on untreated surfaces at night and in the morning.

The threat of winter storms is expected to ramp back up starting later this week with waves of Arctic air also on the horizon.

Download the free AccuWeather app to see the latest forecast for your location, including snowfall amounts and any winter weather advisories.

How can you stay healthy this winter season? Tune in to find out! Join host Regina Miller and her guest Dr. Anthony Ng, senior physician executive at Northern Light Acadia Hospital and Chief of Psychiatry at Northern Light Eastern Maine Medical Center, as they discuss Seasonal Affective Disorder (SAD) as a type of depression that's related to changes in seasons. Also, Staff Education Coordinator for Centre LifeLink EMS Frank Cianfrani discusses cardiac and respiratory care as it relates to winter activities and provides suggestions on how to stay safe this winter.

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