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Arc 1600 7-Day Snow Forecast - 21st March 2026

Arc 1600 Snow Forecast - 7 day

ECMWF IFS
GFS

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Updated 20 March 2026 17:46 PDT

7-Day Snow Forecast for Arc 1600

1-week from 21 March.

For Forecast detail, see below.

Avalanche Risk

2Avalanche Risk Level 2

Moderate

Arc 1600 7-Day Snow Forecast Highlights

When will there be fresh snow in Arc 1600?

Arc 1600 Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (7,923ft)
Next Snow Expected22 March
Next Snow Amount2in
Next 48 Hours2in
Next 7 Days9in
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7-Day Snow Outlook for Arc 1600

 
Snowfall

 
Snow Line

Max 42°F
Min 13°F

9in New Snow

Snow Line from 6,358ft to resort level (5,249ft).

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Arc 1600 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 39°F
Min 20°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 20°F and rising to 39°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

Snow unlikely

CloudMixedCloudMixed

Cloudy first, clear spells then cloudy, clear spells later.

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 36°F
Min 22°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 22°F and rising to 36°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
22

2in New Snow

SnowSnowMixedClear

Snow showers first, heavy snow showers then clear spells, clear sky later.

Snow Line from 5,702ft to resort level (5,249ft).

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 38°F
Min 13°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 13°F and rising to 38°F

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

FairClearMixedCloud

Fair first, clear sky then clear spells, cloudy later.

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 42°F
Min 17°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 17°F and rising to 42°F

Temperature at BaseTemp at Base

Tue
24

Snow unlikely

MixedCloudFairCloud

Clear spells first, cloudy then fair, cloudy later.

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 41°F
Min 18°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 18°F and rising to 41°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

3in New Snow

ClearCloudHvy SnowSnow

Clear sky first, cloudy then heavy snow, heavy snow showers later.

Snow Line from 6,358ft to resort level (5,249ft).

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 22°F
Min 15°F

Below freezing at all levels, with valley temperatures as low as 15°F and not getting above 22°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
26

3in New Snow

SnowSnowSnowSnow

Heavy snow showers.

Snow falling to resort level (5,249ft).

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

Max 21°F
Min 16°F

Below freezing at all levels, with valley temperatures as low as 16°F and not getting above 21°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
27

New Snow

Light SnowCloudCloudLight Snow

Light snow, cloudy, light snow later.

Snow falling to resort level (5,249ft).

Forecast times for Arc 1600 are in Paris (Europe/Paris) time zone.

This Snow Forecast for Arc 1600, France 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 Arc 1600, 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.

Arc 1600 Snow Forecast updated at 17:46 PDT, next update expected 23:00 PDT.

Snow Forecast near Arc 1600

Snow Forecasts for Ski Resorts near Arc 1600
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Chamonix3in 15in
Arc 18002in 9in
Les Menuires1in 9in
Méribel1in 9in
Val Thorens1in 9in
Courchevel1in 7in
Arc 19501in 6in
Arc 20001in 6in

Snow Reliability

Arc 1600 benefits from a good snow reliability with a typical depth of around 150 cm during peak season. For the latest snow conditions and updates, check J2Ski for accurate and timely information.

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