Alberta — Canadian Rockies foliage in 2025

The season as it actually happened, from daily ERA5 weather observations.

Peak hit around September 30

First strong color ~September 17 · past peak ~October 9 · bare by ~October 19

Color starts: September 17Peak: September 30Bare: October 19AugustDecember

Derived from 163 weather anchors · spread across the region ±3 days (higher elevations run earlier).

Current Alberta — Canadian Rockies forecastReplay 2025 on the map