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Arc 1800 7-Day Snow Forecast - 11th October 2026

Arc 1800 Snow Forecast - 7 day

ECMWF IFS
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Updated 11 October 2026 23:47 AEDT

7-Day Snow Forecast for Arc 1800

1-week from 11 October.

For Forecast detail, see below.

Arc 1800 7-Day Snow Forecast Highlights

When will there be fresh snow in Arc 1800?

Arc 1800 Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,515m)
Next Snow Expected18 October
Next Snow Amount5cm
Next 48 Hours-
Next 7 Days5cm
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7-Day Snow Outlook for Arc 1800

 
Snowfall

 
Snow Line

Max 18℃
Min 0℃

3cm New Snow

Snow Line from 2,985m to 2,031m, with rain below.

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Arc 1800 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 10℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 10℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
11

Snow unlikely

CloudFairCloudFair

Cloudy first, fair then cloudy, fair later.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 13℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 13℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Mon
12

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 14℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 14℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Tue
13

Snow unlikely

ClearClearClearMixed

Clear sky early, then clear spells later.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 16℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 16℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
14

Snow unlikely

CloudCloudClearClear

Cloudy early, then clear sky later.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 18℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 18℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Thu
15

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 16℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 16℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Fri
16

Snow unlikely

FairFairClearCloud

Fair, clear sky, cloudy later.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

Max 10℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
17

up to 2cm New Snow

CloudLt DrizzleDrizzleLt Drizzle

Cloudy first, light drizzle then drizzle, light drizzle later.

Snow Line from 2,985m to 2,246m, with rain below.

Forecast times for Arc 1800 are in Paris (Europe/Paris) time zone.

This Snow Forecast for Arc 1800, 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 1800, 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 1800 Snow Forecast updated at 23:47 AEDT, next update expected 05:00 AEDT.

Snow Forecast near Arc 1800

Snow Forecasts for Ski Resorts near Arc 1800
Ski Area 48 Hr 7 DaySuMoTuWeThFrSa
Les Arcs-30cm
Tignes-29cm
La Plagne-28cm
Arc 1950-25cm
Arc 2000-25cm
Chamonix2cm 15cm
Les Menuires-14cm
Val Thorens-14cm

How reliable is the snow in Arc 1800?

Arc 1800 enjoys reliable snow conditions, with an average snow depth of 150 cm during peak season and consistent snowfall throughout the winter. For the latest snow information, be sure to check J2Ski for up-to-date conditions.