Keystone saw 144cm of snow across the 2025/26 season, down 27% on last winter. That puts it 29th snowiest of the last 31 winters.
0
powder daysmornings over 15cm, worth setting an alarm for.
9cm
biggest single daythe mountain reset overnight on 6 Dec 2025.
66cm
deepest basemeasured on 7 Mar 2026.
36cm
snowiest monthApril 2026 stole the show.
21cm
best weekseven days from 30 Nov 2025.
67%
of a typical winter's snowfall. A leaner year than usual.
Snow reliability
87/100
ExcellentTypically about 141 ski days a season.
Snowfall by season
The 29th snowiest of the last 31 winters.
Snowfall by month
April was a late-season surge, with 25% 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.