Multi-Model Forecast
What the models are saying
Three weather models, side by side. Where they agree, you can feel good about the forecast. Where they don't -- well, that's skiing for you.
View accumulation mapBiggest storms this week
Portillo
South America · 7-day snowfall forecast in inches
High confidence (models agree)ModerateLow confidence (big spread)
| Model | Fri Jul 17 | Sat Jul 18 | Sun Jul 19 | Mon Jul 20 | Tue Jul 21 | Wed Jul 22 | Thu Jul 23 | Total |
|---|---|---|---|---|---|---|---|---|
| Agreement | ||||||||
| GFS | 35.2 | 24.0 | 0.1 | 8.0 | 5.5 | 2.8 | 0.1 | 75.7" |
| ECMWF | 31.8 | 17.0 | 4.1 | 12.5 | 6.2 | 1.4 | 0.8 | 73.8" |
| ICON | 31.9 | 11.3 | -- | 1.1 | 9.6 | 2.6 | 5.5 | 62.0" |
Daily breakdown · Portillo
35.2
31.8
31.9
24.0
17.0
11.3
0.1
4.1
0.0
8.0
12.5
1.1
5.5
6.2
9.6
2.8
1.4
2.6
0.1
0.8
5.5
GFS ECMWF ICON
All resorts · 7-day totals
Average of all 3 models, sorted by expected snowfall
| Resort | GFS | ECMWF | ICON | Avg |
|---|---|---|---|---|
| Portillo | 75.7" | 73.8" | 62.0" | 70.5" |
| Valle Nevado | 67.4" | 65.3" | 47.9" | 60.2" |
| Termas de Chillán | 91.9" | 41.7" | 39.5" | 57.7" |
| Las Leñas | 42.3" | 32.6" | 4.3" | 26.4" |
| Corralco | 46.8" | 18.4" | 0.0" | 21.7" |
| Cerro Catedral | 5.6" | 4.7" | 4.7" | 5.0" |
| Sölden | 1.8" | 2.5" | 0.0" | 1.4" |
| St. Anton am Arlberg | 1.2" | 0.2" | 0.0" | 0.5" |
| Alta | 0.9" | 0.0" | 0.0" | 0.3" |
| Cervinia | 0.0" | 0.9" | 0.0" | 0.3" |
| Zürs | 0.7" | 0.2" | 0.0" | 0.3" |
| Alyeska Resort | 0.0" | 0.2" | 0.0" | 0.1" |
| Solitude Mountain Resort | 0.3" | 0.0" | 0.0" | 0.1" |
| Taos Ski Valley | 0.2" | 0.0" | 0.0" | 0.1" |
| Andermatt | 0.1" | 0.2" | 0.0" | 0.1" |
| Lech am Arlberg | 0.0" | 0.2" | 0.0" | 0.1" |
| St. Moritz | 0.4" | 0.0" | 0.0" | 0.1" |
| Tignes | 0.1" | 0.1" | 0.0" | 0.1" |
| Val di Fassa | 0.0" | 0.2" | 0.0" | 0.1" |
| Val Gardena | 0.0" | 0.2" | 0.0" | 0.1" |
| Big Sky | 0.0" | 0.0" | 0.0" | 0.0" |
| Breckenridge | 0.0" | 0.0" | 0.0" | 0.0" |
| Chamonix | 0.0" | 0.0" | 0.0" | 0.0" |
| Crested Butte | 0.0" | 0.0" | 0.0" | 0.0" |
| Deer Valley | 0.0" | 0.0" | 0.0" | 0.0" |
| Jackson Hole | 0.0" | 0.0" | 0.0" | 0.0" |
| Keystone | 0.1" | 0.0" | 0.0" | 0.0" |
| Mammoth Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Park City | 0.0" | 0.0" | 0.0" | 0.0" |
| Steamboat | 0.0" | 0.0" | 0.0" | 0.0" |
| Sun Valley | 0.0" | 0.0" | 0.0" | 0.0" |
| Banff Sunshine | 0.0" | 0.0" | 0.0" | 0.0" |
| Telluride | 0.0" | 0.0" | 0.0" | 0.0" |
| Vail | 0.0" | 0.0" | 0.0" | 0.0" |
| Verbier | 0.0" | 0.0" | 0.0" | 0.0" |
| Whistler Blackcomb | 0.0" | 0.0" | 0.0" | 0.0" |
| Zermatt | 0.1" | 0.0" | 0.0" | 0.0" |
| Cortina d'Ampezzo | 0.0" | 0.0" | 0.0" | 0.0" |
| Niseko | 0.0" | 0.0" | 0.0" | 0.0" |
| Val d'Isère | 0.0" | 0.1" | 0.0" | 0.0" |
| Aspen | 0.0" | 0.0" | 0.0" | 0.0" |
| Snowmass | 0.0" | 0.0" | 0.0" | 0.0" |
| Red Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Revelstoke Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Snowbird | 0.1" | 0.0" | 0.0" | 0.0" |
| Killington | 0.0" | 0.0" | 0.0" | 0.0" |
| Okemo | 0.0" | 0.0" | 0.0" | 0.0" |
| Stowe | 0.0" | 0.0" | 0.0" | 0.0" |
| Courchevel | 0.0" | 0.0" | 0.0" | 0.0" |
| Grindelwald | 0.0" | 0.0" | 0.0" | 0.0" |
| Kitzbühel | 0.0" | 0.0" | 0.0" | 0.0" |
| Arapahoe Basin | 0.0" | 0.0" | 0.0" | 0.0" |
| Lake Louise Ski Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Beaver Creek | 0.0" | 0.0" | 0.0" | 0.0" |
| Big White Ski Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Copper Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Fernie Alpine Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Grand Targhee Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Heavenly Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Hunter Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Jay Peak Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Kicking Horse Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Kirkwood Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Loon Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Mont-Sainte-Anne | 0.0" | 0.0" | 0.0" | 0.0" |
| Mont-Tremblant | 0.0" | 0.0" | 0.0" | 0.0" |
| Mount Snow | 0.0" | 0.0" | 0.0" | 0.0" |
| Mt. Bachelor | 0.0" | 0.0" | 0.0" | 0.0" |
| Mt. Hood Meadows | 0.0" | 0.0" | 0.0" | 0.0" |
| Northstar California | 0.0" | 0.0" | 0.0" | 0.0" |
| Palisades Tahoe | 0.0" | 0.0" | 0.0" | 0.0" |
| Panorama Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Powderhorn Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Purgatory Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Schweitzer Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Silver Star Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Stratton Mountain | 0.0" | 0.0" | 0.0" | 0.0" |
| Sugar Bowl Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Sugarbush Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Sugarloaf | 0.0" | 0.0" | 0.0" | 0.0" |
| Sun Peaks Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Sundance Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Sunday River | 0.0" | 0.0" | 0.0" | 0.0" |
| Waterville Valley | 0.0" | 0.0" | 0.0" | 0.0" |
| Whitefish Mountain Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Whitewater Ski Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Winter Park Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Alpe d'Huez | 0.0" | 0.0" | 0.0" | 0.0" |
| Arabba Marmolada | 0.0" | 0.0" | 0.0" | 0.0" |
| Arosa Lenzerheide | 0.1" | 0.0" | 0.0" | 0.0" |
| Avoriaz | 0.0" | 0.0" | 0.0" | 0.0" |
| Bad Gastein | 0.0" | 0.0" | 0.0" | 0.0" |
| Bormio | 0.0" | 0.0" | 0.0" | 0.0" |
| Champoluc | 0.0" | 0.0" | 0.0" | 0.0" |
| Courmayeur | 0.0" | 0.0" | 0.0" | 0.0" |
| Crans-Montana | 0.0" | 0.0" | 0.0" | 0.0" |
| Davos Klosters | 0.0" | 0.0" | 0.0" | 0.0" |
| Engelberg-Titlis | 0.0" | 0.0" | 0.0" | 0.0" |
| Flims-Laax | 0.0" | 0.0" | 0.0" | 0.0" |
| Garmisch-Partenkirchen | 0.0" | 0.0" | 0.0" | 0.0" |
| Grand Massif | 0.0" | 0.0" | 0.0" | 0.0" |
| Gstaad | 0.0" | 0.0" | 0.0" | 0.0" |
| La Plagne | 0.0" | 0.0" | 0.0" | 0.0" |
| La Rosière | 0.0" | 0.0" | 0.0" | 0.0" |
| La Thuile | 0.0" | 0.0" | 0.0" | 0.0" |
| Les Menuires | 0.0" | 0.0" | 0.0" | 0.0" |
| Livigno | 0.1" | 0.0" | 0.0" | 0.0" |
| Madesimo | 0.0" | 0.0" | 0.0" | 0.0" |
| Madonna di Campiglio | 0.0" | 0.0" | 0.0" | 0.0" |
| Megève | 0.0" | 0.0" | 0.0" | 0.0" |
| Méribel | 0.0" | 0.0" | 0.0" | 0.0" |
| Morzine | 0.0" | 0.0" | 0.0" | 0.0" |
| Saas-Fee | 0.0" | 0.0" | 0.0" | 0.0" |
| Sauze d'Oulx | 0.0" | 0.0" | 0.0" | 0.0" |
| Sestriere | 0.0" | 0.0" | 0.0" | 0.0" |
| Val Thorens | 0.0" | 0.0" | 0.0" | 0.0" |
| Wengen | 0.0" | 0.0" | 0.0" | 0.0" |
| Zell am See | 0.0" | 0.0" | 0.0" | 0.0" |
| Alta Badia | 0.0" | 0.0" | 0.0" | 0.0" |
| Furano | 0.0" | 0.0" | 0.0" | 0.0" |
| Hakuba Valley | 0.0" | 0.0" | 0.0" | 0.0" |
| Kiroro | 0.0" | 0.0" | 0.0" | 0.0" |
| Rusutsu Resort | 0.0" | 0.0" | 0.0" | 0.0" |
| Tomamu | 0.0" | 0.0" | 0.0" | 0.0" |
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