Les Bossons Snow Report and Forecast
Snow Forecast for Les Bossons
When will there be fresh snow?
This is the Snow Forecast for Les Bossons, France for 15 days from 26 March.
Updated 25 March 2025 07:35 PDT.
| Next Snow Expected | 29 March |
|---|---|
| Next Snow Amount | 2in |
| Next 48 Hours | 1in |
| Next 7 Days | 3in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Les Bossons.
Forecast for today in Les Bossons
Max 54°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 54°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Fog early, then clear spells later.
Chamonix (2 miles from Les Bossons) is reporting “Hard” with 1in new snow forecast in the next 48 hours.
Les Bossons Snow Report
Snow report from Chamonix (2 miles from Les Bossons)
| Upper Snow Depths | 79in |
|---|---|
| Lower Snow Depths | 2in |
| Snow Conditions | Hard |
| Last Snow | |
| 8in of Snow - 16 March | |
| Avalanche Risk Level | |
| The Avalanche Risk Level in Chamonix was reported as 2 (Moderate) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs. | |
Les Bossons 7-Day Snow Forecast Overview
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| Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | Tue 01 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 4,626ft | 49°F
| 48°F
| 44°F
 +1in
| 36°F
 +2in
| 45°F
 | 55°F
 | 58°F
|
| 3,986ft | 51°F
| 51°F
| 47°F
| 37°F
+2in
| 48°F
| 57°F
| 60°F
|
| 3,346ft | 54°F
| 53°F
| 49°F
| 39°F
+1in
| 50°F
| 60°F
| 63°F
|
| Snow Line | varying 4,327ft | varying 3,540ft | |||||
| Max Town | 54°F | 53°F | 49°F | 39°F | 50°F | 60°F | 63°F |
| Min Town | 35°F | 33°F | 34°F | 31°F | 32°F | 41°F | 42°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.
Les Bossons 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 54°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 54°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Fog early, then clear spells later.
Max 53°F
Min 33°F
Valley temperatures from an overnight low of 33°F to daytime highs around 53°F
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Fog early, then fair later.
Max 49°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 49°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
28
up to 1in New Snow
Fair first, clear spells then cloudy, light rain later.
Snow Line from 4,327ft to 3,802ft, with rain below.
Max 39°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 39°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
1in to 2in New Snow
Light snow, cloudy, clear spells later.
Snow Line from 3,540ft to resort level.
Max 50°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 50°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
30
Snow unlikely
Clear sky first, fair then cloudy, clear sky later.
Max 60°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 60°F
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Clear sky.
Max 63°F
Min 42°F
Valley temperatures from an overnight low of 42°F to daytime highs around 63°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Clear sky.
This Snow Forecast for Les Bossons, 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 Les Bossons, 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.
Les Bossons Snow Forecast updated at 07:35 PDT, next update expected imminently.
Snow Forecast near Les Bossons
Understanding and predicting Snow Conditions in Les Bossons
Here are our tips for making the most of a trip to Les Bossons, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Les Bossons, 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 Les Bossons 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 Les Bossons 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 Les Bossons 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.