Montana foliage in 2025

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

Peak hit around October 6

First strong color ~September 23 · past peak ~October 15 · bare by ~October 26

Color starts: September 23Peak: October 6Bare: October 26AugustDecember

Derived from 74 weather anchors · spread across the region ±5 days (higher elevations run earlier).