Colorado State Forest Service entomologist Dan West says the first reports of yellowing aspen leaves started in mid-August. By late last week, as sightings of possible fall foliage continued across ...

Getting your Trinity Audio player ready... Fall leaves in Smith Lake at Washington Park on Oct. 21, 2019 in Denver. (Photo by RJ Sangosti/The Denver Post) Look beyond Colorado’s shimmering yellow ...

The vibrant shimmering leaves of Southwest Colorado’s aspen stands have begun to transition, once again, from summer’s green hues to fall’s trademark yellows, oranges and velvet reds. As days fall ...

Fall is that magical time when the aspens and scrub oak on the hillsides take time to shine. It’s a short time frame, and it looks like the valley will peak this weekend with a clear blue sky as a ...

Tree health, drought, daylight, rainfall, elevation, heat, and wind can all play a role in when fall colors hit their peak. This year, the Colorado Rocky Mountains are expected to reach full color in ...

Fall colors are starting to show in Aspen. This not only means the area is entering one of its most beautiful seasons, but also that ski season is right around the corner. Rebecca Schmidt, a biology ...

FLAGSTAFF — Beneath the scenic yellow and red leaves of soaring aspen trees in the Kachina Wilderness, forest ecologist Mike Stoddard is looking down. His concern isn’t the brilliant fall foliage but ...

Add Yahoo as a preferred source to see more of our stories on Google. Aspens are at peak fall color on Sagehen Summit in Mono County on Sept. 25, 2025. (Kim Espinosa/Mono County Tourism) Leaf peepers ...