Wed - Jan 14, 2026 @ 7 AM EST: A potent upper level disturbance and surface cold front moving southeast from the upper midwest will cross the Commonwealth late today and tonight, accompanied by rain mixing with or changing to wet snow across the Southeast third of the state with steadier light snow falling across the Northwest half to two thirds of Pennsylvania where anywhere from 1 to 4 inches of snow will accumulate by midday Thursday, with strong dependency on elevation. | US National Weather