Leaf-peepers, get set: Experts say the summer season has set the stage for potentially exceptional fall colors, though the weather through mid-October will ultimately determine how stellar of a display will emerge.

The Northeastern states have had a good to excellent growing season without any major disturbances, according to Dr. Michael Day, University of Maine research professor of Physiological Ecology.

"In addition, adequate precipitation and lack of wind disturbances has resulted in trees with an exceptional amount of foliage still attached," he said.

Slight drought stress in the late summer helped to signal a seasonal change but did not force an early leaf drop.

The upcoming weather will play a critical role.

A cold snap in the next four to six weeks would bring out the vibrant fall colors, resulting in what Day considers an ‘exceptional' year for fall foliage.

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