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Pas de la Casa / Grau Roig Snow Forecast - 20th May 2026

Pas de la Casa / Grau Roig Snow Report and Forecast

ECMWF IFS
GFS
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Updated 20 May 2026 02:42 BST

Snow Forecast for Pas de la Casa / Grau Roig

Snow and Weather from 20 May.

For Forecast detail, see below.

Pas de la Casa / Grau Roig Snow Forecast Highlights

When will there be fresh snow in Pas de la Casa / Grau Roig?

Pas de la Casa / Grau Roig Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,345m)
Next Snow?
There is no snow currently in the forecast for Pas de la Casa / Grau Roig.
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Forecast for today in Pas de la Casa / Grau Roig

Max 15℃ 59°F
Min 3℃ 36°F

Valley temperatures from an overnight low of 3℃ 36°F to daytime highs around 15℃ 59°F

Temperature at BaseTemp at Base

Wed
20

Snow unlikely

MixedFairShwrsMixed

Clear spells first, fair then rain showers, clear spells later.

Forecast times for Pas de la Casa / Grau Roig are in Andorra (Europe/Andorra) time zone.

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Pas de la Casa / Grau Roig 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Pas de la Casa / Grau Roig from OpenMeteo(ECMWF IFS)
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
Mon
25
Tue
26
Wind
2,640m 8,661ft
11℃ 52°F
Shwrs
14℃ 57°F
Clear
14℃ 57°F
Clear
15℃ 59°F
Clear
15℃ 59°F
Clear
13℃ 56°F
Clear
16℃ 61°F
Clear
2,345m 7,694ft
13℃ 55°F
Shwrs
16℃ 60°F
Clear
16℃ 61°F
Clear
17℃ 62°F
Clear
17℃ 63°F
Clear
15℃ 59°F
Clear
18℃ 64°F
Clear
2,050m 6,726ft
15℃ 59°F
Fair
18℃ 65°F
Clear
19℃ 67°F
Clear
19℃ 66°F
Clear
19℃ 65°F
Clear
16℃ 61°F
Clear
20℃ 67°F
Clear
Snow Line
Max Town 15℃ 59°F 18℃ 65°F 19℃ 67°F 19℃ 66°F 19℃ 65°F 16℃ 61°F 20℃ 67°F
Min Town 3℃ 36°F 5℃ 41°F 8℃ 46°F 8℃ 47°F 8℃ 47°F 8℃ 46°F 10℃ 49°F

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 Reliability

Pas de la Casa enjoys reliable snow conditions, with average snow depths ranging from 100 to 300 cm throughout the season. For the latest snow reports and conditions, check J2Ski for the most accurate updates.

Understanding and predicting Snow Conditions in Pas de la Casa / Grau Roig

Here are our tips for making the most of a trip to Pas de la Casa / Grau Roig, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Pas de la Casa / Grau Roig, 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 Pas de la Casa / Grau Roig 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 Pas de la Casa / Grau Roig 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 Pas de la Casa / Grau Roig 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.