United States FlagUnited StatesSierra Nevada2,694 m (8,839 ft)

Half Dome Mountain Weather Forecast

Live high-altitude atmospheric downscaling for Half Dome. Compare real-time ridge conditions against base camp staging points, track jet stream wind shear, and explore the 14-day summit window forecast.

Live Conditions37°44′46″ N, 119°31′59″ W

Half Dome Mountain Weather Forecast

Downscaling atmospheric meteorological model for Half Dome (2,694 m)...
🏔️ Topography & Atmosphere

Elevation & Oxygen Profile

At 2,694 meters, atmospheric pressure drops significantly compared to sea level. Effective oxygen intake is approximately 75% of sea level, requiring careful acclimatization.

Summit Height:2,694 m
Prominence:414 m
Coordinates:37°44′46″ N, 119°31′59″ W
⚠️ Alpine Safety

Objective Ridge Hazards

High-altitude ridges are subject to sudden localized convective storms and violent jet stream shear. Temperatures plunge rapidly with elevation at a standard lapse rate of -6.5°C per 1,000 meters of vertical ascent.

Gale Risk Threshold:> 50 km/h
Primary Hazard:Wind Chill & Whiteout
First Ascent:1957-06-28
🧭 Climbing Intelligence

Expedition Routes & Dossier

Explore detailed route topographies, camp-by-camp elevation profiles, and archival dispatches for Half Dome.

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