An area of low pressure over the Tennessee River Valley will redevelop towards eastern Virginia today and track towards New England overnight produce a wide variety of weather impacts over the Philadelphia and New York City metropolitan areas.
A mix of snow, sleet, and rain will invade from southwest to northeast this afternoon as temperatures struggle in the mid to upper 30's for highs. Winds will veer to the northeast and east at 5 to 15 mph, increasing to 10 to 20 mph by this evening.
As the low pressure system tracks towards southern New Jersey tonight, the mix of snow and sleet will change over to rain along the coast with accumulations of a trace to an inch expected at most for the New York City metropolitan area and only a trace for the Philadelphia metropolitan area. Heavy rain is expected with rainfall amounts of one to two inches. Strong wind gusts of over 40 mph can be expected leading to the threat for wind damage. Further north and northwest, a mix of snow and sleet can be expected overnight with snowfall accumulations of 4 to 8 inches and ice accumulations of 0.20" to 0.50". For more details on the threat for ice and snow, please visit the going snow/ice forecast.
The storm will exit by tomorrow afternoon with clearing skies and winds from the northwest at 10 to 20 mph with gusts over 30 mph through tomorrow night. Temperatures will fall into the lower to mid 20's over the interior and mid to upper 20's along the coast.
High pressure will be in place Friday through Saturday morning with scattered clouds and chilly conditions. An area of low pressure will pass to the south of the New York City and Philadelphia metropolitan area with light to moderate snowfall accumulations. The best potential for snowfall will be along the coast. Tranquil conditions will return for Monday and Tuesday with scattered clouds and a few flurries. Temperatures will range from the lower to mid 20's over the interior and mid to upper 20's along the coast for lows and lower to mid 30's over the interior and upper 30's to lower 40's along the coast.