Illinois foliage in 2025

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

Peak hit around October 23

First strong color ~October 9 · past peak ~November 1 · bare by ~November 14

Color starts: October 9Peak: October 23Bare: November 14AugustDecember

Derived from 27 weather anchors · spread across the region ±2 days (higher elevations run earlier).

Current Illinois forecastReplay 2025 on the map