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Portillo Snow Forecast - 48 hour - 20th September 2026

Portillo 48-Hour Snow Forecast

ECMWF IFS
GEM
GFS

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Updated 20 September 2026 19:50 AEST

Powder Alarm

Powder Alarm issued 20 September 2026 20:05 AEST

Powder Possible :- 32cm of Fresh Snow is forecast for Portillo over the next 2 days.

2-Day Forecast for Portillo

48-hours from 20 September.

See below for forecast detail

Portillo Snow Forecast updated at 19:50 AEST, next update expected imminently.

Forecast for today in Portillo

Max 1℃
Min -2℃

Valley temperatures from an overnight low of -2℃ to daytime highs around 1℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
20

28cm to 32cm New Snow

SnowHvy SnowSnowLt Snow Shwrs

Snow first, heavy snow then snow showers, light snow showers later.

Snow falling to resort level (2,560m).

Forecast times for Portillo are in Santiago (America/Santiago) time zone.

Powder Alert!

Powder Alarm issued 20 September 2026 20:05 AEST

Powder Possible :- 32cm of Fresh Snow is forecast for Portillo over the next 2 days.

Forecast for tomorrow in Portillo

Max 6℃
Min -1℃

Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 6℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

Lt Snow ShwrsCloudCloudLt Drizzle

Light snow showers, cloudy, light drizzle later.

Forecast times for Portillo are in Santiago (America/Santiago) time zone.

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Portillo from OpenMeteo(GFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sun00:00Light Snow

1cm to 2cm New Snow
Snow falling to resort level (2,560m).

Heavy snow at altitude.
Lt rain below.
0℃SW
Breeze
100%
Sun01:00Snow

1cm to 3cm New Snow
Snow falling to resort level (2,560m).

Heavy snow at altitude.
Rain below.
1℃SW
Breeze
100%
Sun02:00Snow

1cm to 3cm New Snow
Snow falling to resort level (2,560m).

Heavy snow at altitude.
Shwrs below.
0℃SW
Breeze
100%
Sun03:00Hvy Snow

3cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-1℃SW
Breeze
100%
Sun04:00Hvy Snow

4cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.0℃SW
Breeze
100%
Sun05:00Hvy Snow

3cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-1℃SW
Breeze
100%
Sun06:00Hvy Snow

3cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-2℃SW
Breeze
100%
Sun07:00Hvy Snow

2cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-2℃SW
Light
100%
Sun08:00Hvy Snow

1cm to 2cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-2℃SW
Breeze
100%
Sun09:00Hvy Snow

1cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-2℃SW
Breeze
100%
Sun10:00Hvy Snow

1cm New Snow
Snow falling to resort level (2,560m).

Heavy snow.-1℃SW
Breeze
100%
Sun11:00Lt Snow Shwrs

1cm New Snow
Snow falling to resort level (2,560m).

Snow showers at altitude.
Lt rain below.
-1℃SW
Breeze
100%
Sun12:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun13:00Light Snow

Light snow showers at altitude.
Lt rain below.
0℃SW
Breeze
100%
Sun14:00Lt Snow Shwrs

1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun15:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun16:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun17:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun18:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.0℃SW
Breeze
100%
Sun19:00Lt Snow Shwrs

up to 1cm New Snow
Snow falling to resort level (2,560m).

Light snow showers.-1℃SW
Breeze
100%
Sun20:00Lt Snow Shwrs

Light snow showers.-1℃SW
Breeze
100%
Sun21:00Lt Snow Shwrs

Light snow showers.-1℃SW
Light
95%
Sun22:00Mixed

Light snow showers at altitude.
Lt rain below.
-2℃SW
Light
75%
Sun23:00Mixed

Clear spells.-1℃SW
Light
45%
Mon00:00Cloud

Cloudy.-1℃SE
Light
25%
Mon01:00Cloud

Cloudy.-1℃SE
Light
10%
Mon02:00Cloud

Cloudy.-1℃SE
Light
5%
Mon03:00Cloud

Cloudy.-1℃SE
Light
0%
Mon04:00Cloud

Cloudy.-1℃SE
Light
0%
Mon05:00Cloud

Cloudy.0℃SE
Light
5%
Mon06:00Cloud

Cloudy.0℃SE
Light
5%
Mon07:00Cloud

Cloudy.0℃SE
Light
5%
Mon08:00Cloud

Cloudy.1℃SE
Light
5%
Mon09:00Cloud

Cloudy.3℃SE
Light
5%
Mon10:00Cloud

Cloudy.5℃SE
Light
5%
Mon11:00Cloud

Cloudy.5℃SE
Light
0%
Mon12:00Fog

Light snow at altitude.
Lt rain below.
5℃SE
Light
0%
Mon13:00Lt Drizzle

Light drizzle.6℃SE
Light
0%
Mon14:00Lt Drizzle

Light drizzle.6℃SE
Light
0%
Mon15:00Lt Drizzle

Light drizzle.6℃SE
Light
0%
Mon16:00Lt Drizzle

Light drizzle.6℃SE
Light
0%
Mon17:00Fog

Fog.6℃SE
Light
0%
Mon18:00Fog

Fog.6℃SE
Light
0%
Mon19:00Cloud

Cloudy.6℃SE
Light
0%
Mon20:00Cloud

Cloudy.4℃SE
Light
0%
Mon21:00Cloud

Cloudy.4℃SE
Breeze
0%
Mon22:00Cloud

Cloudy.3℃SE
Breeze
0%
Mon23:00Cloud

Clear sky at altitude.
Cloud below.
2℃SE
Breeze
0%

Snow Forecast near Portillo

Snow forecasts for nearby ski areas.

Snow Forecasts for Ski Resorts near Portillo
Ski Area 48 Hr 7 DaySuMoTuWeThFrSa
Catedral Alta Patagonia17cm 84cm
Los Penitentes22cm 30cm

Portillo Snow

For current snow depths and skiing conditions, see our Current Snow Report for Portillo.

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.

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.