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 25 March.
Updated 24 March 2025 21:34 PDT.
| Next Snow Expected | 28 March |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | - |
| Next 7 Days | 4in |
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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 42°F
Min 30°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 30°F and rising to 42°F
Temperature at BaseTemp at Base
Tue
25
Snow unlikely
Fair first, clear sky then fair, clear spells later.
Arc 1800 is reporting “Spring Snow” with no new snow forecast in the next 48 hours.
Arc 1800 Snow Report
| Upper Snow Depths | 98in |
|---|---|
| Lower Snow Depths | 24in |
| Snow Conditions | Spring Snow |
| Last Snow | |
| 4in of Snow - 16 March | |
| Avalanche Risk Level | |
| The Avalanche Risk Level in Arc 1800 was reported as 2 (Moderate) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs. | |
Arc 1800 7-Day Snow Forecast Overview
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| Tue 25 | Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F2 | ||||||
| 10,597ft | 27°F
| 27°F
| 28°F
| 21°F
 +1in
| 15°F
 +3in
| 22°F
| 32°F
|
| NW F2 | |||||||
| 8,251ft | 31°F
| 31°F
| 36°F
| 29°F
+1in
| 23°F
+3in
| 31°F
| 40°F
|
| 5,906ft | 42°F
| 42°F
| 46°F
| 39°F
 +1in
| 31°F
+3in
| 38°F
| 47°F
|
| Snow Line | 5,906ft | 5,906ft | |||||
| Max Town | 42°F | 42°F | 46°F | 39°F | 31°F | 38°F | 47°F |
| Min Town | 30°F | 30°F | 31°F | 31°F | 26°F | 23°F | 33°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.
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 42°F
Min 30°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 30°F and rising to 42°F
Temperature at BaseTemp at Base
Tue
25
Snow unlikely
Fair first, clear sky then fair, clear spells later.
Max 42°F
Min 30°F
Valley temperatures from an overnight low of 30°F to daytime highs around 42°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Clear spells early, then fair later.
Max 46°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 46°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Clear spells, cloudy, clear spells later.
Max 39°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 39°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
28
1in New Snow
Fog, cloudy, heavy snow showers later.
Snow falling to resort level.
Max 31°F
Min 26°F
Below freezing at all levels, with valley temperatures as low as 26°F and not getting above 31°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
3in New Snow
Heavy snow showers early, then light snow later.
Snow falling to resort level.
Max 38°F
Min 23°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 23°F and rising to 38°F
Temperature at BaseTemp at Base
Sun
30
Snow unlikely
Fog, cloudy, clear sky later.
Max 47°F
Min 33°F
Valley temperatures from an overnight low of 33°F to daytime highs around 47°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Clear sky first, fair then clear spells, clear sky later.
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 21:34 PDT, next update expected imminently.
Snow Forecast near Arc 1800
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Chamonix | - | 4in | |||||||
| Arc 1600 | - | 4in | |||||||
| Les Menuires | - | 3in | |||||||
| Méribel | - | 4in | |||||||
| Arc 2000 | - | 3in | |||||||
| Courchevel | - | 3in | |||||||
| Val Thorens | - | 3in | |||||||
| Arc 1950 | - | 3in |
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.