Low pressure will continue to move eastward across the eastern Great Lakes today before phasing with a deepening storm along the northern Mid Atlantic coast. Snow will fall across parts of western New York and northern Pennsylvania with significant accumulations possible. The heaviest snow will likely fall along and north of the I-90 corridor from Buffalo east through Syracuse. Some locations could pick up total accumulations in excess of a foot.
Further west across western Pennsylvania and eastern Ohio, lighter snows will fall with light accumulations possible.
The coastal storm will bomb out along the New England coast tonight, fully absorbing the system over the eastern Great Lakes. Moisture will be rapidly stripped away form the area and the snows will gradually diminish.
It will be windy across the region. Areas that do see accumulating snow today and tonight will have significant blowing and drifting.
On Saturday, high pressure will gradually build across the area bringing brighter skies and ending the lingering snow showers and flurries across the region. It will still be cold on Saturday, especially across New York state
On Sunday, the high will move to the east and a mild southwesterly flow will develop across the region. This will help temperatures to moderate to above normal levels for many locations.
By Sunday night, the next system – a major storm over the northern Plains and western Lakes – will begin to impact the region. Clouds will increase from the west Sunday evening with precipitation quickly following for late Sunday night. This time, the eastern Great Lakes will be on the warm side of the system which means most of the precipitation Monday night will be rain. Some patches of mixed precipitation are possible, especially across New York and Pennsylvania where cooler air will linger the longest.
On Monday, we should all see rain showers and mild temperatures as moisture streams northward across the region ahead of a cold front.
Colder weather will return following the passage of the cold front late Monday or early Tuesday.
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