Best month for autumn colors: Drought can affect fall colors According to the U.S. Forest Service, a severe summer drought can delay the onset of fall color by a few weeks.

The map and page are also great resources for teachers seeking seasonal lesson plan ideas. Kids in the classroom will love the site’s free print-out autumn coloring book , too. [vertical-gallery ...

The map, which began as a side project in 2013, has become a reliable tool for millions of travelers planning their autumn trips to areas like Pigeon Forge, Gatlinburg, Asheville, and Boone.