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

Las Leñas Snow Forecast - 7 day

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Updated 21 September 2026 21:47 AEST

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 Expected21 September
Next Snow Amount1cm
Next 48 Hours5cm
Next 7 Days73cm

7-Day Snow Outlook for Las Leñas

 
Snowfall

 
Snow Line

Max 5℃
Min -9℃

75cm New Snow

Snow Line from 2,899m to resort level (2,256m).

Powder Alert!

Powder Alarm issued 22 September 2026 01:46 AEST

Powder Possible :- 37cm 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 -9℃

Freeze-thaw conditions, with valley temperatures cooling to -9℃ and rising to 3℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
21

1cm New Snow

SnowFogCloudCloud

Snow showers, fog, cloudy later.

Snow Line from 2,269m to resort level (2,256m).

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

 
Snowfall

 
Snow Line

Tue
22

Snow unlikely

Light SnowCloudCloudFog

Light snow, cloudy, fog later.

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

Max 4℃
Min -1℃

Valley temperatures from an overnight low of -1℃ to daytime highs around 4℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
23

up to 4cm New Snow

FogSnowLt DrizzleLt Drizzle

Fog, snow showers at altitude, light drizzle later.

Snow Line from 2,819m to 2,309m, with rain below.

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

Thu
24

1cm to 32cm New Snow

Light SnowSnowSnowSnow

Light snow at altitude first, snow showers at altitude 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 4℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 4℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
25

1cm to 24cm New Snow

SnowSnowLight SnowLt Drizzle

Snow showers, light snow at altitude, light drizzle later.

Snow Line from 2,709m to resort level (2,256m).

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

Max 4℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 4℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
26

up to 10cm New Snow

Light SnowSnowLt RainHvy Drizzle

Light snow at altitude first, snow showers at altitude then light rain showers, heavy drizzle later.

Snow Line from 2,899m to 2,409m, with rain below.

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

Sun
27

up to 3cm New Snow

Hvy DrizzleSnowFogFog

Heavy drizzle, snow showers, fog later.

Snow Line from 2,559m to resort level (2,256m).

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 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.

Las Leñas Snow Forecast updated at 21:47 AEST, 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.