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Aosta Valley Snow Forecast - 15th May 2026

Aosta Valley Snow Report and Forecast

ECMWF IFS
GFS

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Updated 15 May 2026 07:46 CDT

Snow Forecast for Aosta Valley

Snow and Weather from 15 May.

For Forecast detail, see below.

Aosta Valley Snow Forecast Highlights

When will there be fresh snow in Aosta Valley?

Aosta Valley Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,350m)
Next Snow Expected15 May
Next Snow Amount1cm
Next 48 Hours1cm
Next 7 Days3cm
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Forecast for today in Aosta Valley

Max 8℃
Min -1℃

Valley temperatures from an overnight low of -1℃ to daytime highs around 8℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Fri
15

up to 3cm New Snow

MixedMixedLt DrizzleCloud

Clear spells, light drizzle, cloudy later.

Snow Line from 2,176m to resort level (1,191m).

Forecast times for Aosta Valley are in Rome (Europe/Rome) time zone.

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Aosta Valley 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Aosta Valley from OpenMeteo(ECMWF IFS)
Fri
15
Sat
16
Sun
17
Mon
18
Tue
19
Wed
20
Thu
21
Wind
3,490m
-9℃
Snow
+3cm
-8℃
Clear
-4℃
Lt Snow Shwrs
+1cm
-7℃
Snow
+5cm
-2℃
Cloud
0℃
Fair
+1cm
3℃
Fair
2,341m
0℃
Light Snow
+1cm
1℃
Fair
5℃
Mixed
2℃
Lt Snow Shwrs
+2cm
8℃
Cloud
9℃
Light Snow
12℃
Clear
1,191m
8℃
Mixed
11℃
Clear
13℃
Fair
10℃
Shwrs
15℃
Mixed
18℃
Shwrs
19℃
Fair
Snow Line

varying 2,176m
to 1,191m

varying 2,853m
to 2,591m

varying 2,529m
to 1,683m

varying 3,299m
to 2,376m

Max Town8℃11℃13℃10℃15℃18℃19℃
Min Town-1℃-1℃-1℃3℃1℃6℃5℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Snow Forecast near Aosta Valley

Snow Forecasts for Ski Resorts near Aosta Valley
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Grimentz7cm 15cm
Verbier6cm 13cm
Alagna Valsesia6cm 12cm
Gressoney la Trinité4cm 9cm
Thyon les Collons7cm 8cm
Champoluc2cm 8cm
Breuil-Cervinia4cm 7cm
Zermatt2cm 6cm

Snow Reliability

Aosta Valley typically enjoys reliable snow conditions, with an average snow depth of 150 cm during peak season. For the latest snow information, including snowfall updates, visit J2Ski.

Understanding and predicting Snow Conditions in Aosta Valley

Here are our tips for making the most of a trip to Aosta Valley, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Aosta Valley, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Aosta Valley is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Aosta Valley will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Aosta Valley for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.