The delayed arrival of peak foliage in New England may affect travel plans for leaf-peepers, who typically visit the region in early October. Warmer temperatures and unpredictable weather patterns could further shift the timing of peak colors, potentially shortening the viewing window in some areas. High-elevation regions like Colorado and the Great Smoky Mountains may experience abrupt changes due to weather conditions, impacting the quality of foliage displays. Visitors should be prepared for fluctuating conditions and plan trips accordingly to maximize their experience.