Firefall at Horsetail Fall in Yosemite National Park on Feb. 5, 2025. (@fisheye.lens/Instagram / FOX Weather) Even with perfect conditions and clear skies, Firefall only happens for a short time ...

Each February, Yosemite’s Horsetail Fall glows fiery orange at sunset, creating the Firefall illusion. This rare spectacle lasts minutes and requires ideal conditions: snowmelt, clear skies, and ...