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Cerro Bayo — snow trends backdrop

SnowSure-unique data

Snow Trends

Powder-day counts, bluebird predictions, score momentum, and where seven global models disagree — built from our ML pipeline and daily AI scoring, not generic weather feeds.

Updated Jun 27, 2026, 4:40 AM UTC

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

70.5%

31 resorts

Declining

29.5%

13 resorts

Powder days this season

Tracked powder events — SnowSure-only season counts.

Bluebird days this season

Clear-sky powder mornings verified or predicted this season.

1Crans-Montana3 days
2Tignes 3 days
3Verbier 3 days
4Champex-Lac3 days
5Les Arcs3 days
6La Grave 3 days
7Val d'Isère 3 days
8Sainte-Foy-Tarentaise3 days
9Courmayeur3 days
10La Plagne2 days
11La Hoya 2 days
12Afriski2 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.

#ResortSpreadAvg forecast
1CraigieburnNew Zealand55.5 cm19 cm
2Broken RiverNew Zealand55.5 cm19 cm
3Big Sky ResortUnited States54 cm19.6 cm
4ŌhauNew Zealand45.7 cm15.1 cm
5Discovery Ski AreaUnited States44.9 cm26.3 cm
6Treble ConeNew Zealand43.9 cm12.6 cm
7StrynNorway41.6 cm8.9 cm
8Cardrona Alpine ResortNew Zealand39.9 cm11.8 cm
9The RemarkablesNew Zealand39.8 cm8.7 cm
10CaviahueArgentina36.4 cm12.5 cm
11Grand Targhee ResortUnited States35.1 cm15.5 cm
12PortersNew Zealand32.1 cm12.4 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).

#ResortML days 8–14vs 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%).

ResortPredicted dayConfidenceFresh 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