Arc 1800 Snow Report and Forecast
Snow Forecast for Arc 1800
When will there be fresh snow?
This is the Snow Forecast for Arc 1800, France for 16 days from 6 May.
Updated 06 May 2025 16:35 NZST.
| Next Snow Expected | 7 May |
|---|---|
| Next Snow Amount | 9cm |
| Next 48 Hours | 16cm |
| Next 7 Days | 21cm |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Arc 1800.
Forecast for today in Arc 1800
Max 7℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
Snow unlikely
Fog, cloudy, fog later.
Arc 1800 is reporting “Wet” with 16cm new snow forecast in the next 48 hours.
Arc 1800 Snow Report
| Upper Snow Depths | 290cm |
|---|---|
| Lower Snow Depths | 25cm |
| Snow Conditions | Wet Snow |
| Last Snow | |
| 5cm of Snow - 24 April | |
Arc 1800 7-Day Snow Forecast Overview
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| Tue 06 | Wed 07 | Thu 08 | Fri 09 | Sat 10 | Sun 11 | Mon 12 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,230m | -1℃
 | -3℃
 +13cm
| -2℃
+3cm
| -3℃
 +3cm
| 1℃
| 2℃
+1cm
| 3℃
+1cm
|
| 2,515m | 1℃
| -1℃
+9cm
| 2℃
+3cm
| 2℃
+2cm
| 6℃
| 7℃
| 7℃
|
| 1,800m | 7℃
| 4℃
 +1cm
| 8℃
| 8℃
| 12℃
| 13℃
| 13℃
 |
| Snow Line | varying 2,129m | varying 2,039m | varying 2,099m | varying 2,159m | varying 2,719m | varying 2,679m | |
| Max Town | 7℃ | 4℃ | 8℃ | 8℃ | 12℃ | 13℃ | 13℃ |
| Min Town | 1℃ | 0℃ | 1℃ | 2℃ | 3℃ | 4℃ | 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.
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 7℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 7℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
Snow unlikely
Fog, cloudy, fog later.
Max 4℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 4℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
07
1cm to 13cm New Snow
Light snow, snow showers at altitude, light snow showers at altitude later.
Snow Line from 2,039m to resort level.
Max 8℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 8℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
08
up to 3cm New Snow
Fog, cloudy, light snow at altitude later.
Snow Line from 2,099m to 1,899m, with rain below.
Max 8℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 8℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
09
up to 3cm New Snow
Light snow first, cloudy then clear spells, fog later.
Snow Line from 2,159m to resort level.
Max 12℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 12℃
Temperature at BaseTemp at Base
Sat
10
Snow unlikely
Fair, clear spells, cloudy later.
Max 13℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
11
up to 1cm New Snow
Clear sky first, fair then clear spells, fair later.
Snow Line from 2,719m to 2,659m, with rain below.
Max 13℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
12
up to 1cm New Snow
Clear sky, light rain showers, clear spells later.
Snow Line from 2,679m to 2,649m, with rain below.
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 piste 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 16:35 NZST, next update expected 22:00 NZST.
Snow Forecast near Arc 1800
Understanding and predicting Snow Conditions in Arc 1800
Here are our tips for making the most of a trip to Arc 1800, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Arc 1800, 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 Arc 1800 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 Arc 1800 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 Arc 1800 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.