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Las Leñas 7-Day Snow Forecast - 21st September 2026

Las Leñas Snow Forecast - 7 day

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Updated 20 September 2026 18:42 CDT

7-Day Snow Forecast for Las Leñas

1-week from 21 September.

For Forecast detail, see below.

Las Leñas 7-Day Snow Forecast Highlights

When will there be fresh snow in Las Leñas?

Las Leñas Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,843m)
Next Snow Expected23 September
Next Snow Amount2cm
Next 48 Hours2cm
Next 7 Days71cm

7-Day Snow Outlook for Las Leñas

 
Snowfall

 
Snow Line

Max 5℃
Min -8℃

71cm New Snow

Snow Line from 2,859m to resort level (2,256m).

Powder Alert!

Powder Alarm issued 20 September 2026 22:45 CDT

Powder Possible :- 55cm of Fresh Snow is forecast for Las Leñas over the next 3 days.

Las Leñas 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 3℃
Min -8℃

Freeze-thaw conditions, with valley temperatures cooling to -8℃ and rising to 3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
21

up to 1cm New Snow

SnowFogCloudCloud

Snow showers, fog, cloudy later.

Snow falling to resort level (2,256m).

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 5℃
Min -4℃

Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 5℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

CloudClearClearFog

Cloudy, clear sky, fog later.

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 4℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 4℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
23

up to 2cm New Snow

FogFogMixedLight Snow

Fog, clear spells, light snow at altitude later.

Snow Line from 2,859m to resort level (2,256m).

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 3℃
Min -1℃

Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
24

3cm to 52cm New Snow

Light SnowSnowSnowSnow

Light snow at altitude first, snow then snow at altitude, snow later.

Snow Line from 2,459m to resort level (2,256m).

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 3℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
25

6cm to 16cm New Snow

Light SnowSnowSnowLight Snow

Light snow, snow showers, light snow at altitude later.

Snow Line from 2,549m to resort level (2,256m).

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 5℃
Min -4℃

Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 5℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

MixedMixedCloudFog

Clear spells, cloudy, fog later.

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

Max 5℃
Min -3℃

Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 5℃

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

ClearFogClearFog

Clear sky first, fog then clear sky, fog later.

Forecast times for Las Leñas are in Buenos Aires (America/Argentina/Buenos_Aires) time zone.

This Snow Forecast for Las Leñas, Argentina 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 Las Leñas, 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.

Las Leñas Snow Forecast updated at 18:42 CDT, next update expected imminently.

Snow Reliability

With an average snow depth of over 2 meters and consistent snowfall, Las Leñas boasts excellent snow reliability. For the latest snow conditions, be sure to check J2Ski for updated information.