Synopsis
The strong westerly winds will continue to bring lake effect snows to northwestern area of Pennsylvania tonight. On Friday, an area of high pressure will build and it will set up along the East Coast for this weekend. Later on Sunday, a cold front will move south into the area. Late Tuesday and Wednesday, a storm system will approach PA bring the chance of rain.
Short Term
Strong westerly winds will continue through the morning hours on Friday. There is the possibility for snow showers in the northwestern area of PA. Most areas lows tonight will be in the 20's as 850 mb temps range from -8 to -10 C. However, temperatures will begin to moderate Friday as the westerly winds begin to die down and 850 mb temperatures begin to rise to -4 to -6 C. This should allow temperatures to rise into the low to mid 40's on Friday. Later on Friday, a ridge of high pressure will build into the area. This ridge of high pressure will bring clear skies and dry conditions as well as a southwesterly flow on Saturday.
Long Term
The ridge of high remains over the area until Sunday when another cold front will move into the commonwealth. Scattered showers will affect the central and southern parts of the state. This front will stall out over the area and will bring the chance for more showers on Monday into Tuesday. Later in the week, there is the chance for more precipitation as an area low pressure approaches the area from the southwest.
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