Winter Storm — Mariposa - Madera Lower Sierra, California

2025-10-14 to 2025-10-15 · Mariposa - Madera Lower Sierra, California

Event narrative

Cold Spring Summit estimated near 13 inches of snowfall in 24 hrs.

Wider weather episode

A deep trough of low pressure area slide in from the Pacific Northwest into Central California. The system brought periods of heavy rainfall across the foothills and heavy snow at higher elevations. Rainfall amounts ranged from half to two inches in 24 hours in some areas. Up to one foot of snow was observed in some locations in Sierra Nevada.

Source: NOAA Storm Events Database, event_id 1293583. Narrative written by the NWS forecast office that issued the report.