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Trevalli Snow Forecast - 21st May 2026

Trevalli Snow Report and Forecast

ECMWF IFS
GFS

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Updated 21 May 2026 13:46 NZST

Snow Forecast for Trevalli

Snow and Weather from 21 May.

For Forecast detail, see below.

Trevalli Snow Forecast Highlights

When will there be fresh snow in Trevalli?

Trevalli Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,907m)
Next Snow?
There is no snow currently in the forecast for Trevalli.
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Forecast for today in Trevalli

Max 19℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 19℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Thu
21

Snow unlikely

ClearClearClearMixed

Clear sky early, then clear spells later.

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

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Trevalli 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Trevalli from OpenMeteo(ECMWF IFS)
Thu
21
Fri
22
Sat
23
Sun
24
Mon
25
Tue
26
Wed
27
Wind
2,513m
10℃
Clear
14℃
Clear
14℃
Clear
14℃
Clear
14℃
Fair
16℃
Shwrs
15℃
Clear
1,849m
14℃
Clear
18℃
Clear
17℃
Clear
18℃
Clear
18℃
Fair
20℃
Shwrs
19℃
Clear
1,184m
19℃
Clear
20℃
Shwrs
20℃
Lt Drizzle
22℃
Lt Rain
21℃
Fair
22℃
Lt Drizzle
24℃
Clear
Snow Line
Max Town19℃20℃20℃22℃21℃22℃24℃
Min Town4℃5℃7℃7℃8℃8℃11℃

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.

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Snow Reliability

Trevalli typically enjoys reliable snow conditions, with an average snow depth of 70-100 cm throughout the season. For the latest snow information, be sure to check J2Ski for updates.

Understanding and predicting Snow Conditions in Trevalli

Here are our tips for making the most of a trip to Trevalli, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Trevalli, 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 Trevalli 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 Trevalli 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 Trevalli 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.