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

Las Leñas Snow Forecast - 7 day

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Updated 22 September 2026 05:40 NZST

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 Amount5cm
Next 48 Hours6cm
Next 7 Days51cm

7-Day Snow Outlook for Las Leñas

 
Snowfall

 
Snow Line

Max 5℃
Min -9℃

52cm New Snow

Snow Line from 2,799m to resort level (2,256m).

Powder Alert!

Powder Alarm issued 22 September 2026 04:46 NZST

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 2℃
Min -9℃

Freeze-thaw conditions, with valley temperatures cooling to -9℃ and rising to 2℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
21

1cm New Snow

SnowFairClearClear

Snow showers, fair, clear sky 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 -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

CloudCloudClearFog

Cloudy, clear sky, 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 5cm New Snow

CloudLight SnowLt DrizzleLt Drizzle

Cloudy, light snow at altitude, light drizzle later.

Snow Line from 2,799m to 2,329m, 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

up to 23cm New Snow

SnowLight SnowLight SnowSnow

Snow showers first, light snow then light snow at altitude, snow at altitude 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

up to 20cm New Snow

Light SnowLt Snow ShwrsRainDrizzle

Light snow first, light snow showers then rain, 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 -1℃

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

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
26

up to 2cm New Snow

Light SnowFogLt DrizzleLt Drizzle

Light snow at altitude, fog, light drizzle later.

Snow Line from 2,739m to 2,379m, with rain below.

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

Max 4℃
Min -5℃

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

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
27

Snow unlikely

FogFairFogCloud

Fog first, fair then fog, cloudy 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 05:40 NZST, next update expected 08:00 NZST.

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.