High Wind — Mono, California

2025-05-11 to 2025-05-12 · Mono, California

Event narrative

Mesonet station MTH02 1.5 SE Mammoth Mountain, Mill Canyon RAWS, KMMH (Mammoth Yosemite Airport), and June Mountain Ski based reported peak gusts of 78 kts, 67 kts, 51 kts, and 68 kts, respectively.

Wider weather episode

A potent late season system moved through the region from the 11th to 12th. This produced widespread strong, damaging winds throughout western Nevada and the eastern Sierra. This included extensive damage to trees, powerlines, several semi-trailers blowing over, and disruptions to air travel due to wind shear and mountain waves. This storm additionally produced a period of accumulating snowfall along Interstate 80 over Donner Pass, leading to a temporary closure during the afternoon of the 12th.

Source: NOAA Storm Events Database, event_id 1253020. Narrative written by the NWS forecast office that issued the report.