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.

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Biggest 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
Fri
24.0
17.0
11.3
Sat
0.1
4.1
0.0
Sun
8.0
12.5
1.1
Mon
5.5
6.2
9.6
Tue
2.8
1.4
2.6
Wed
0.1
0.8
5.5
Thu
GFS ECMWF ICON

All resorts · 7-day totals

Average of all 3 models, sorted by expected snowfall

ResortGFSECMWFICONAvg
Portillo75.7"73.8"62.0"70.5"
Valle Nevado67.4"65.3"47.9"60.2"
Termas de Chillán91.9"41.7"39.5"57.7"
Las Leñas42.3"32.6"4.3"26.4"
Corralco46.8"18.4"0.0"21.7"
Cerro Catedral5.6"4.7"4.7"5.0"
Sölden1.8"2.5"0.0"1.4"
St. Anton am Arlberg1.2"0.2"0.0"0.5"
Alta0.9"0.0"0.0"0.3"
Cervinia0.0"0.9"0.0"0.3"
Zürs0.7"0.2"0.0"0.3"
Alyeska Resort0.0"0.2"0.0"0.1"
Solitude Mountain Resort0.3"0.0"0.0"0.1"
Taos Ski Valley0.2"0.0"0.0"0.1"
Andermatt0.1"0.2"0.0"0.1"
Lech am Arlberg0.0"0.2"0.0"0.1"
St. Moritz0.4"0.0"0.0"0.1"
Tignes0.1"0.1"0.0"0.1"
Val di Fassa0.0"0.2"0.0"0.1"
Val Gardena0.0"0.2"0.0"0.1"
Big Sky0.0"0.0"0.0"0.0"
Breckenridge0.0"0.0"0.0"0.0"
Chamonix0.0"0.0"0.0"0.0"
Crested Butte0.0"0.0"0.0"0.0"
Deer Valley0.0"0.0"0.0"0.0"
Jackson Hole0.0"0.0"0.0"0.0"
Keystone0.1"0.0"0.0"0.0"
Mammoth Mountain0.0"0.0"0.0"0.0"
Park City0.0"0.0"0.0"0.0"
Steamboat0.0"0.0"0.0"0.0"
Sun Valley0.0"0.0"0.0"0.0"
Banff Sunshine0.0"0.0"0.0"0.0"
Telluride0.0"0.0"0.0"0.0"
Vail0.0"0.0"0.0"0.0"
Verbier0.0"0.0"0.0"0.0"
Whistler Blackcomb0.0"0.0"0.0"0.0"
Zermatt0.1"0.0"0.0"0.0"
Cortina d'Ampezzo0.0"0.0"0.0"0.0"
Niseko0.0"0.0"0.0"0.0"
Val d'Isère0.0"0.1"0.0"0.0"
Aspen0.0"0.0"0.0"0.0"
Snowmass0.0"0.0"0.0"0.0"
Red Mountain0.0"0.0"0.0"0.0"
Revelstoke Mountain Resort0.0"0.0"0.0"0.0"
Snowbird0.1"0.0"0.0"0.0"
Killington0.0"0.0"0.0"0.0"
Okemo0.0"0.0"0.0"0.0"
Stowe0.0"0.0"0.0"0.0"
Courchevel0.0"0.0"0.0"0.0"
Grindelwald0.0"0.0"0.0"0.0"
Kitzbühel0.0"0.0"0.0"0.0"
Arapahoe Basin0.0"0.0"0.0"0.0"
Lake Louise Ski Resort0.0"0.0"0.0"0.0"
Beaver Creek0.0"0.0"0.0"0.0"
Big White Ski Resort0.0"0.0"0.0"0.0"
Copper Mountain0.0"0.0"0.0"0.0"
Fernie Alpine Resort0.0"0.0"0.0"0.0"
Grand Targhee Resort0.0"0.0"0.0"0.0"
Heavenly Mountain Resort0.0"0.0"0.0"0.0"
Hunter Mountain0.0"0.0"0.0"0.0"
Jay Peak Resort0.0"0.0"0.0"0.0"
Kicking Horse Mountain Resort0.0"0.0"0.0"0.0"
Kirkwood Mountain Resort0.0"0.0"0.0"0.0"
Loon Mountain0.0"0.0"0.0"0.0"
Mont-Sainte-Anne0.0"0.0"0.0"0.0"
Mont-Tremblant0.0"0.0"0.0"0.0"
Mount Snow0.0"0.0"0.0"0.0"
Mt. Bachelor0.0"0.0"0.0"0.0"
Mt. Hood Meadows0.0"0.0"0.0"0.0"
Northstar California0.0"0.0"0.0"0.0"
Palisades Tahoe0.0"0.0"0.0"0.0"
Panorama Mountain Resort0.0"0.0"0.0"0.0"
Powderhorn Mountain Resort0.0"0.0"0.0"0.0"
Purgatory Resort0.0"0.0"0.0"0.0"
Schweitzer Mountain Resort0.0"0.0"0.0"0.0"
Silver Star Mountain Resort0.0"0.0"0.0"0.0"
Stratton Mountain0.0"0.0"0.0"0.0"
Sugar Bowl Resort0.0"0.0"0.0"0.0"
Sugarbush Resort0.0"0.0"0.0"0.0"
Sugarloaf0.0"0.0"0.0"0.0"
Sun Peaks Resort0.0"0.0"0.0"0.0"
Sundance Mountain Resort0.0"0.0"0.0"0.0"
Sunday River0.0"0.0"0.0"0.0"
Waterville Valley0.0"0.0"0.0"0.0"
Whitefish Mountain Resort0.0"0.0"0.0"0.0"
Whitewater Ski Resort0.0"0.0"0.0"0.0"
Winter Park Resort0.0"0.0"0.0"0.0"
Alpe d'Huez0.0"0.0"0.0"0.0"
Arabba Marmolada0.0"0.0"0.0"0.0"
Arosa Lenzerheide0.1"0.0"0.0"0.0"
Avoriaz0.0"0.0"0.0"0.0"
Bad Gastein0.0"0.0"0.0"0.0"
Bormio0.0"0.0"0.0"0.0"
Champoluc0.0"0.0"0.0"0.0"
Courmayeur0.0"0.0"0.0"0.0"
Crans-Montana0.0"0.0"0.0"0.0"
Davos Klosters0.0"0.0"0.0"0.0"
Engelberg-Titlis0.0"0.0"0.0"0.0"
Flims-Laax0.0"0.0"0.0"0.0"
Garmisch-Partenkirchen0.0"0.0"0.0"0.0"
Grand Massif0.0"0.0"0.0"0.0"
Gstaad0.0"0.0"0.0"0.0"
La Plagne0.0"0.0"0.0"0.0"
La Rosière0.0"0.0"0.0"0.0"
La Thuile0.0"0.0"0.0"0.0"
Les Menuires0.0"0.0"0.0"0.0"
Livigno0.1"0.0"0.0"0.0"
Madesimo0.0"0.0"0.0"0.0"
Madonna di Campiglio0.0"0.0"0.0"0.0"
Megève0.0"0.0"0.0"0.0"
Méribel0.0"0.0"0.0"0.0"
Morzine0.0"0.0"0.0"0.0"
Saas-Fee0.0"0.0"0.0"0.0"
Sauze d'Oulx0.0"0.0"0.0"0.0"
Sestriere0.0"0.0"0.0"0.0"
Val Thorens0.0"0.0"0.0"0.0"
Wengen0.0"0.0"0.0"0.0"
Zell am See0.0"0.0"0.0"0.0"
Alta Badia0.0"0.0"0.0"0.0"
Furano0.0"0.0"0.0"0.0"
Hakuba Valley0.0"0.0"0.0"0.0"
Kiroro0.0"0.0"0.0"0.0"
Rusutsu Resort0.0"0.0"0.0"0.0"
Tomamu0.0"0.0"0.0"0.0"

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