Forecast accuracy

Every published snow number is stored, then scored against the observation that followed. A resort starts on the all-mountain fit and slides onto its own history as days accumulate.

All resorts, by lead time

LeadCorrectionDays

0d×0.81 · 19% low208

1d×0.88 · 12% low216

2d×1.27 · 27% high208

Resorts with their own history

Resort1d2d3dDays

Sunshine Village1.281.38—130 Coronet Peak1.011.31—105 Marmot Basin1.071.27—95 Castle Mountain0.951.40—92 Big White1.401.40—90 Lake Louise0.701.03—77 Sugar Bowl1.111.34—74 Palisades Tahoe1.071.36—73 Alyeska0.921.34—72 Le Massif de Charlevoix0.951.32—71 Mt. Norquay0.731.04—71 Sierra-at-Tahoe1.161.35—71 Blue Mountain1.171.40—70 Brian Head1.011.20—70 Crested Butte0.801.23—70 Mont Tremblant1.241.22—70 Copper Mountain0.911.40—69 Mont-Sainte-Anne0.961.28—69 Mt. Baker1.031.34—69 Mt. Hood Meadows1.001.28—69 Alta0.801.16—68 Eldora1.051.40—68 Kirkwood1.031.28—68 Lutsen Mountains0.911.32—68 Powder Mountain0.821.15—68 Stevens Pass1.101.39—68 Big Sky0.791.29—67 Bridger Bowl0.871.20—67 Brundage0.961.28—67 Crystal Mountain1.021.39—67 Grand Targhee0.821.22—67 Mammoth Mountain0.961.39—67 Mt. Bachelor0.911.18—67 Snowbird0.821.16—67 Solitude0.831.18—67 Timberline0.971.22—67 Winter Park1.001.40—67 Arapahoe Basin0.871.29—66 Breckenridge0.931.40—66 Brighton0.831.18—66

Refit Sep 24, 2026.