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 seventh snowiest of the last 15 winters.
2
powder daysmornings over 15cm, worth setting an alarm for.
17cm
biggest single daythe mountain reset overnight on 21 Dec 2025.
87cm
deepest basemeasured 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
83/100
ExcellentTypically about 140 ski days a season, declining by 1 days per decade.
Snowfall by season
The seventh snowiest of the last 15 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.