Sun Valley saw 215cm of snow across the 2025/26 season, down 6% on last winter, with 2 more powder days than last year. That puts it 12th snowiest of the last 31 winters.
2
powder daysmornings over 15cm, worth setting an alarm for.
17cm
biggest single daythe mountain reset overnight on 21 Dec 2025.
100cm
deepest snowpackmodelled at mid-mountain height on 25 Feb 2026.
97cm
snowiest monthDecember 2025 stole the show.
65cm
best weekseven days from 17 Dec 2025.
108%
of a typical winter's snowfall. A properly big season.
Snow reliability
94/100
ExcellentTypically about 144 ski days a season, declining by 1 days per decade.
Snowfall by season
The 12th snowiest of the last 31 winters.
Snowfall by month
December was an early-season standout, with 45% of the season's snow.
Modelled base-altitude snowfall from ERA5 reanalysis (Copernicus), EM Snow archive. The grid sits near resort base, not the summit, so treat totals as a valley-level estimate.