Meteorologist John Marcy gives updates on our winter pattern this week.

Snowfall will begin to accumulate on Saturday afternoon and continue throughout Sunday. Roads will become difficult if not impassable at times.

With a winter storm set to hit the New York City area — along with nearly half of the United States — over the weekend, we’re getting a clearer picture on the timing of when we could see snow start to fall,

NEW YORK CITY (PIX11) — A winter storm warning remains in effect as residents of New York and New Jersey prepare for up to a foot of snow on Sunday. According to the National Weather Service, snow will begin early Sunday morning and may continue through early Monday afternoon.

Montgomery County Department of Transportation crews have begun clearing neighborhood roads after winter storm Fern dropped more than half a foot of snow, sleet and ice in parts of Montgomery County over the weekend.

According to the National Weather Service, anyone with errands to run on Sunday should plan on getting them done early. Snow is expected as early as 9 a.m. in some areas, and the storm should be in full swing across the state by early afternoon, according to National Weather Service meteorologist Francis Tarasiewicz.