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 ...

COLORADO, (KOAA) — Living in Colorado for the past six years, fall has become my favorite season. From crisp nights to snow-dusted mountains and pumpkin-spiced everything, it's the perfect season.

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 ...

Aspen leaves along the Peak to Peak Highway are approaching their peak. ABOVE: Near the highway, golden aspens reach for the sky on Friday. BELOW: A pair of aspen trees stand in contrast to dark ...

When fall rolls around in Alberta, there's no mistaking the unmistakable golden hues that paint the landscape. The brilliant yellows that dominate the province’s parkland are a sight to behold, ...