The Huck Institutes of the Life Sciences

Foliage display may suffer in parts of Pa. due to drought conditions

Drought conditions in parts of Pennsylvania, particularly in the northcentral region, are likely to dampen the fall foliage display, according to a forest ecologist in Penn State's College of Agricultural Sciences.
http://news.psu.edu/story/426191/2016/09/15/impact/expert-foliage-display-may-suffer-parts-pa-due-drought-conditions