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Arc 1600 Snow Forecast - 48 hour - 21st March 2026

Arc 1600 48-Hour Snow Forecast

ECMWF IFS
GFS

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Updated 20 March 2026 17:46 PDT

Avalanche Risk

2Avalanche Risk Level 2

Moderate

The overall Avalanche Risk Level in Arc 1600 was reported as Moderate (Level 2): ALWAYS check local advice before leaving marked runs.

2-Day Forecast for Arc 1600

48-hours from 21 March.

See below for forecast detail

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

Forecast for today in Arc 1600

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.

Forecast for tomorrow in Arc 1600

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.

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Arc 1600 from OpenMeteo(ECMWF IFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sat01:00Cloud

Cloudy.23°FS
Light
0%
Sat02:00Cloud

Cloudy.23°FS
Light
0%
Sat03:00Cloud

Cloudy.22°FS
Light
0%
Sat04:00Mixed

Clear spells.22°FS
Calm
0%
Sat05:00Mixed

Clear spells.21°FS
Calm
0%
Sat06:00Mixed

Clear spells.20°FS
Calm
0%
Sat07:00Cloud

Cloudy.21°FS
Calm
0%
Sat08:00Mixed

Clear spells.25°FS
Light
0%
Sat09:00Mixed

Clear spells.31°FS
Calm
0%
Sat10:00Fair

Fair.35°FS
Light
0%
Sat11:00Mixed

Clear spells.37°FS
Light
0%
Sat12:00Mixed

Clear spells.38°FS
Light
0%
Sat13:00Cloud

Cloudy.39°FS
Light
0%
Sat14:00Cloud

Cloudy.39°FS
Light
0%
Sat15:00Cloud

Cloudy.39°FS
Light
0%
Sat16:00Cloud

Cloudy.38°FS
Light
0%
Sat17:00Cloud

Cloudy.37°FS
Light
5%
Sat18:00Cloud

Cloudy.36°FS
Light
10%
Sat19:00Mixed

Clear spells.34°FS
Light
10%
Sat20:00Mixed

Clear spells.33°FS
Light
15%
Sat21:00Cloud

Cloudy.31°FS
Calm
20%
Sat22:00Cloud

Cloudy.31°FS
Calm
20%
Sat23:00Mixed

Clear spells.30°FS
Calm
15%
Sun00:00Cloud

Cloudy.30°FE
Calm
10%
Sun01:00Cloud

Cloudy.29°FE
Calm
5%
Sun02:00Cloud

Cloudy.27°FE
Calm
15%
Sun03:00Mixed

Clear spells.27°FE
Calm
25%
Sun04:00Snow

Heavy snow showers.26°FE
Light
40%
Sun05:00Snow

Heavy snow showers.26°FE
Light
60%
Sun06:00Snow

Heavy snow showers.26°FE
Light
75%
Sun07:00Snow

Heavy snow showers.26°FE
Light
90%
Sun08:00Snow

Heavy snow showers.28°FE
Light
95%
Sun09:00Snow

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

Heavy snow showers.30°FE
Light
100%
Sun10:00Snow

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

Heavy snow showers.31°FE
Light
100%
Sun11:00Snow

Heavy snow showers.33°FE
Light
100%
Sun12:00Snow

Heavy snow showers.34°FE
Light
95%
Sun13:00Mixed

Light snow at altitude.
Lt rain below.
35°FE
Light
90%
Sun14:00Mixed

Clear spells.36°FE
Light
80%
Sun15:00Mixed

Clear spells.36°FE
Light
65%
Sun16:00Fair

Fair.36°FE
Light
55%
Sun17:00Mixed

Clear spells.35°FE
Light
45%
Sun18:00Cloud

Cloudy.33°FE
Light
40%
Sun19:00Clear

Clear sky.29°FE
Light
30%
Sun20:00Clear

Clear sky.26°FE
Light
25%
Sun21:00Fair

Fair.24°FE
Light
15%
Sun22:00Clear

Clear sky.23°FE
Light
10%
Sun23:00Fair

Fair.22°FE
Light
5%
Mon00:00Fair

Fair.21°FSE
Light
5%

Snow Forecast near Arc 1600

Snow forecasts for nearby ski areas.

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
La Plagne1in 6in
Les Arcs2in 6in

Arc 1600 Snow

For current snow depths and skiing conditions, see our Current Snow Report for Arc 1600.

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.

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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