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Las Leñas 7-Day Snow Forecast - 20th September 2026

Las Leñas Snow Forecast - 7 day

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Updated 20 September 2026 11:47 PDT

7-Day Snow Forecast for Las Leñas

1-week from 20 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 (9,327ft)
Next Snow Expected20 September
Next Snow Amount14in
Next 48 Hours14in
Next 7 Days34in

7-Day Snow Outlook for Las Leñas

 
Snowfall

 
Snow Line

Max 41°F
Min 18°F

30in New Snow

Snow Line from 9,150ft to resort level (7,402ft).

Powder Alert!

Powder Alarm issued 20 September 2026 13:48 PDT

Powder Possible :- 14in of Fresh Snow is forecast for Las Leñas over the next 2 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 33°F
Min 28°F

Valley temperatures from an overnight low of 28°F to daytime highs around 33°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
20

11in to 14in New Snow

SnowSnowSnowSnow

Snow showers.

Snow falling to resort level (7,402ft).

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

Max 37°F
Min 18°F

Freeze-thaw conditions, with valley temperatures cooling to 18°F and rising to 37°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
21

New Snow

SnowFogCloudClear

Heavy snow showers first, fog then cloudy, clear sky later.

Snow falling to resort level (7,402ft).

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

Max 40°F
Min 25°F

Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 40°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

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 41°F
Min 31°F

Valley temperatures from an overnight low of 31°F to daytime highs around 41°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
23

up to 1in New Snow

FogFogClearFair

Fog, clear sky, fair later.

Snow Line from 8,494ft to 7,411ft, with rain below.

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

Max 37°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 37°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
24

1in to 9in New Snow

Light SnowSnowLt Snow ShwrsSnow

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

Snow Line from 8,068ft to resort level (7,402ft).

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

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

 
Snowfall

 
Snow Line

Fri
25

2in to 3in New Snow

Light SnowSnowLight SnowLight Snow

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

Snow Line from 8,363ft to resort level (7,402ft).

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

Max 40°F
Min 31°F

Valley temperatures from an overnight low of 31°F to daytime highs around 40°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
26

up to 3in New Snow

Light SnowSnowLight SnowLt Drizzle

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

Snow Line from 9,150ft to resort level (7,402ft).

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 11:47 PDT, 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.