Half Dome
Location: Mariposa County, CA, US
Elevation: 8,846 feet
2 recorded summits
Current Conditions
Weather: Foggy
Temperature: 28°F
Wind: 13 mph
Humidity: 99%
7-Day Summit Window
Best day: 2026-04-03 (score: 95/100)
- 2026-04-01: Poor (34/100) - Heavy snow, breezy, cold
- 2026-04-02: Good (80/100) - Partly cloudy, calm winds, cool
- 2026-04-03: Excellent (95/100) - Clear skies, calm winds
- 2026-04-04: Excellent (95/100) - Clear skies, calm winds
- 2026-04-05: Excellent (95/100) - Clear skies, calm winds
- 2026-04-06: Excellent (87/100) - Overcast, calm winds
- 2026-04-07: Excellent (95/100) - Clear skies, calm winds
Air Quality
AQI: 33 (Good)
Snow Conditions
Trend: decreasing
- Virginia Lakes Ridge: 17" depth, 7" SWE
Stream Flow
- MERCED R A HAPPY ISLES BRIDGE NR YOSEMITE CA: flood (662 cfs)
- MERCED R A POHONO BRIDGE NR YOSEMITE CA: flood (1360 cfs)
- TUOLUMNE R A GRAND CYN OF TUOLUMNE AB HETCH HETCHY: flood (1040 cfs)
Trail Alerts (3)
- Tioga Road (Hwy 120 through the park) and Glacier Point Road are closed: Tioga Road (continuation of Highway 120 through the park), Glacier Point Road, and Mariposa Grove Road are closed for the season due to snow. Snow is possible on other roads; be prepared for tire chain requirements and other road closures. Call 209/372-0200 (then 1, 1) to check road conditions.
- Reds Meadow Road Access Restrictions in 2026: Reds Meadow Road remains under construction in 2026 and will be closed Mondays through Wednesdays from July 6 through September 20 and Monday through Friday starting September 21. There is no estimate for when the road will open for the season.
- Devils Postpile National Monument facilities are closed for the season: Devils Postpile National Monument facilities are closed for season, with no public programs, parking, water, or bathroom facilities available.
Public Lands
- Yosemite National Park (NP, NPS)
Part of 1 Challenge
Recent Summits
- 10/26/2024
- 5/25/2024