Portillo Snow Report and Forecast
Snow Forecast for Portillo
When will there be fresh snow?
This is the Snow Forecast for Portillo, Chile for 16 days from 12 June.
Updated 12 June 2025 01:36 PDT.
| Next Snow Expected | 12 June |
|---|---|
| Next Snow Amount | 9in |
| Next 48 Hours | 13in |
| Next 7 Days | 22in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Portillo.
Forecast for today in Portillo
Max 45°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 45°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
12
4in to 10in New Snow
Clear sky first, cloudy then snow, heavy snow showers later.
Snow falling to resort level.
Powder Alert!
Updated 12 June 2025 03:40 PDT
Powder Possible :- 12in of Fresh Snow is forecast for Portillo over the next 2 days.
To get Powder Alerts and Snow Storm Early Warnings by e-mail, Subscribe to our Snow Mail.
Portillo Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Portillo 7-Day Snow Forecast Overview
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| Thu 12 | Fri 13 | Sat 14 | Sun 15 | Mon 16 | Tue 17 | Wed 18 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F2 | SW F2 | |||||
| 10,827ft | 36°F
 +10in
| 31°F
+2in
| 34°F
 | 33°F
 +6in
| 35°F
+1in
| 31°F
| 31°F
|
| SE F2 | SW F2 | ||||||
| 9,613ft | 40°F
+9in
| 32°F
+2in
| 35°F
| 36°F
+8in
| 36°F
+1in
| 35°F
| 32°F
|
| SE F2 | SW F2 | ||||||
| 8,399ft | 45°F
+4in
| 36°F
+1in
| 39°F
| 40°F
+3in
| 40°F
| 39°F
| 37°F
|
| Snow Line | 8,399ft | 8,399ft | 8,399ft | 8,399ft | 8,399ft | ||
| Max Town | 45°F | 36°F | 39°F | 40°F | 40°F | 39°F | 37°F |
| Min Town | 31°F | 31°F | 32°F | 32°F | 34°F | 34°F | 31°F |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Portillo Medium-Range (7-Day) Snow Forecast Detail
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.
Max 45°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 45°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
12
4in to 10in New Snow
Clear sky first, cloudy then snow, heavy snow showers later.
Snow falling to resort level.
Max 36°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 36°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
13
1in to 2in New Snow
Light snow showers early, then clear spells later.
Snow falling to resort level.
Max 39°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 39°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
14
Snow unlikely
Fair, clear spells, cloudy later.
Max 40°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 40°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
15
3in to 6in New Snow
Light snow, cloudy, heavy snow later.
Snow falling to resort level.
Max 40°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 40°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
16
up to 1in New Snow
Clear spells early, then cloudy later.
Snow falling to resort level.
Max 39°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 39°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Tue
17
Snow unlikely
Clear spells early, then cloudy later.
Max 37°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 37°F
Temperature at BaseTemp at Base
Wed
18
Snow unlikely
Cloudy.
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 trail 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 01:36 PDT, next update expected imminently.
Snow Forecast near Portillo
| Snow Report and Forecast | 48 Hr | Thu | Fri | Sat | Sun | Mon | Tue | Wed | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Los Penitentes | 4in | 20in | |||||||
| Catedral Alta Patagonia | 6in | 12in |
Understanding and predicting Snow Conditions in Portillo
Here are our tips for making the most of a trip to Portillo, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Portillo, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Portillo is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Portillo will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Portillo for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.