Portillo 7-Day Snow Forecast

Portillo Long-Range Snow Forecast Updated today

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Updated 13 July 2026 18:45 CDT

Long-Range Snow Forecast for Portillo

Long-range (14 to 45 days) from 14 July.

For Forecast detail, see below.

Portillo Snow Forecast Highlights

When will there be fresh snow in Portillo?

Portillo Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,930m)
Next Snow Expected	15 July
Next Snow Amount	4cm
Next 48 Hours	21cm
Next 7 Days	142cm

Long-range Snow Outlook for Portillo

Snowfall

Snow Line

Max 8℃
Min -4℃

134cm New Snow

Snow Line from 3,229m to resort level (2,560m).

Powder Alert!

Powder Alarm issued 13 July 2026 21:42 CDT

Powder Possible :- 21cm of Fresh Snow is forecast for Portillo over the next 2 days.

Portillo Long-Range (2 weeks+) Snow Forecast Outlook

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

16 Day Weather and Snow Forecast for Portillo from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Tue 14	Cloudy.	Max 8℃ Min 4℃
Wed 15	up to 8cm New Snow Light snow at altitude, light rain below. Snow Line from 3,229m to 2,679m, with rain below.	Max 5℃ Min 1℃
Thu 16	11cm to 19cm New Snow Heavy snow at altitude, heavy rain showers below. Snow Line from 2,849m to resort level (2,560m).	Max 5℃ Min 0℃
Fri 17	50cm to 69cm+ New Snow Heavy snow at altitude, rain showers below. Snow falling to resort level (2,560m).	Max 0℃ Min -1℃
Sat 18	29cm to 30cm New Snow Light snow showers. Snow falling to resort level (2,560m).	Max -1℃ Min -4℃
Sun 19	3cm New Snow Heavy snow showers. Snow falling to resort level (2,560m).	Max 2℃ Min -3℃
Mon 20	6cm New Snow Light snow showers. Snow falling to resort level (2,560m).	Max -2℃ Min -4℃

This Snow Forecast for Portillo, Chile gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Portillo, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Portillo Snow Forecast updated at 18:45 CDT, next update expected imminently.

Ensemble forecast for Portillo, Chile at 2,560m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Forecast near Portillo

Snow Forecasts for Ski Resorts near Portillo
Ski Area	48 Hr	7 Day	Tu	We	Th	Fr	Sa	Su	Mo
Los Penitentes	21cm	96cm
Catedral Alta Patagonia	33cm	36cm

Snow Reliability

Portillo boasts excellent snow reliability, with an average snow depth of 2-3 meters during the peak season. The resort typically experiences consistent snowfall, making it a reliable choice for winter sports; check J2Ski for the latest snow information.

Off-Piste Safety in Portillo

Before skiing or snowboarding off-piste in Portillo, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.