Score trend pulse
Among open resorts with a latest SnowSure trend signal (44 mountains). GPT-4o labels each score as improving, stable, or declining.
Improving
0%
0 resorts
Stable
68.2%
30 resorts
Declining
31.8%
14 resorts
Powder days this season
Tracked powder events — SnowSure-only season counts.
| 1 | Whistler Blackcomb | 27 days |
| 2 | Mt. Seymour | 20 days |
| 3 | Grouse Mountain | 19 days |
| 4 | Mt. Hood Meadows | 18 days |
| 5 | Shames Mountain | 17 days |
| 6 | Stevens Pass | 17 days |
| 7 | Mt. Bachelor | 16 days |
| 8 | La Rosière | 16 days |
| 9 | Timberline Lodge | 16 days |
| 10 | Champex-Lac | 15 days |
| 11 | Gletscherwelt Zillertal 3000 | 15 days |
| 12 | Manning Park | 15 days |
Bluebird days this season
Clear-sky powder mornings verified or predicted this season.
| 1 | Crans-Montana | 3 days |
| 2 | Val d'Isère | 3 days |
| 3 | Verbier | 3 days |
| 4 | Champex-Lac | 3 days |
| 5 | Les Arcs | 3 days |
| 6 | Sainte-Foy-Tarentaise | 3 days |
| 7 | La Grave | 3 days |
| 8 | Tignes | 3 days |
| 9 | Courmayeur | 3 days |
| 10 | La Plagne | 2 days |
| 11 | Serre Chevalier | 2 days |
| 12 | Afriski | 2 days |
Where models disagree
14-day snowfall spread across ECMWF, GFS, GEM, JMA, ICON, Météo-France, and Met Norway — minimum 5 cm spread to qualify.
| # | Resort | Spread | Avg forecast |
|---|---|---|---|
| 1 | Big Sky ResortUnited States | 52.6 cm | 20.2 cm |
| 2 | CraigieburnNew Zealand | 50.2 cm | 18.9 cm |
| 3 | Broken RiverNew Zealand | 50.2 cm | 18.9 cm |
| 4 | Treble ConeNew Zealand | 47 cm | 12.6 cm |
| 5 | ŌhauNew Zealand | 45.7 cm | 15.1 cm |
| 6 | Discovery Ski AreaUnited States | 44.2 cm | 26.4 cm |
| 7 | StrynNorway | 41.6 cm | 8.9 cm |
| 8 | Cardrona Alpine ResortNew Zealand | 39.9 cm | 11.8 cm |
| 9 | The RemarkablesNew Zealand | 39.8 cm | 8.7 cm |
| 10 | CaviahueArgentina | 36.3 cm | 12.4 cm |
| 11 | PortersNew Zealand | 32.1 cm | 12.4 cm |
| 12 | Grand Targhee ResortUnited States | 29.9 cm | 15.2 cm |
ML extended outlook (days 8–14)
SnowSure ML · Beta — SnowSure ML forecast for the second week of the 14-day window, separate from the 7-model blend. Ranked by predicted cm over days 8–14 (0 open resorts with ML data).
| # | Resort | ML days 8–14 | vs baseline |
|---|---|---|---|
| No ML extended outlook data yet — shadow logging fills in hourly. | |||
Upcoming bluebird predictions
Predicted clear-sky powder mornings 1–3 days ahead. Track record: 0/189 verified correct (0%).
| Resort | Predicted day | Confidence | Fresh snow |
|---|---|---|---|
| No upcoming bluebird predictions right now. | |||
Use this data in your app
Every dataset on this page is available via public REST endpoints and the SnowSure MCP server. Start with the trends catalog, or pull per-resort season stats and score component history.
GET /api/v1/trends · GET /api/v1/leaderboards/extended-outlook · GET /api/v1/forecasts/disagreement
