Chamonix Sud Snow Report and Forecast
Snow Forecast for Chamonix Sud
When will there be fresh snow?
This is the Snow Forecast for Chamonix Sud, France for 15 days from 29 May.
Updated 28 May 2025 11:37 PDT.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Chamonix Sud. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Chamonix Sud.
Forecast for today in Chamonix Sud
Max 67°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 67°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
29
Snow unlikely
Cloudy first, clear sky then clear spells, fair later.
Chamonix (including Chamonix Sud) is reporting “Spring Snow(High)” with very light new snow forecast in the next 48 hours.
Chamonix Sud Snow Report
| Upper Snow Depths | 94in |
|---|---|
| Snow Conditions | Spring Snow High |
Chamonix Sud 7-Day Snow Forecast Overview
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| Thu 29 | Fri 30 | Sat 31 | Sun 01 | Mon 02 | Tue 03 | Wed 04 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F3 | ||||||
| 12,598ft | 35°F
| 42°F
| 36°F
 | 36°F
 +2in
| 31°F
 +5in
| 36°F
 | 31°F
 +2in
|
| W F2 | SE F3 | ||||||
| 8,005ft | 47°F
| 59°F
| 59°F
| 60°F
| 50°F
 | 53°F
| 47°F
|
| 3,412ft | 67°F
| 76°F
| 73°F
| 73°F
| 63°F
| 73°F
| 69°F
|
| Snow Line | varying 11,381ft | varying 11,447ft | varying 10,955ft | varying 11,250ft | varying 10,856ft | ||
| Max Town | 67°F | 76°F | 73°F | 73°F | 63°F | 73°F | 69°F |
| Min Town | 48°F | 54°F | 59°F | 58°F | 57°F | 57°F | 58°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.
Chamonix Sud 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 67°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 67°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
29
Snow unlikely
Cloudy first, clear sky then clear spells, fair later.
Max 76°F
Min 54°F
Valley temperatures from an overnight low of 54°F to daytime highs around 76°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
30
Snow unlikely
Clear spells first, clear sky then fair, clear sky later.
Max 73°F
Min 59°F
Valley temperatures from an overnight low of 59°F to daytime highs around 73°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
31
Snow unlikely
Clear sky early, then cloudy later.
Max 73°F
Min 58°F
Valley temperatures from an overnight low of 58°F to daytime highs around 73°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
01
up to 2in New Snow
Cloudy early, then light rain showers later.
Snow Line from 11,447ft to 10,988ft, with rain below.
Max 63°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 63°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
02
up to 5in New Snow
Thunderstorms first, light rain showers then thunderstorms, cloudy later.
Snow Line from 10,955ft to 10,299ft, with rain below.
Max 73°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 73°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
03
New Snow
Clear spells, light rain showers, clear spells later.
Snow Line from 11,250ft to 10,758ft, with rain below.
Max 69°F
Min 58°F
Valley temperatures from an overnight low of 58°F to daytime highs around 69°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
04
up to 2in New Snow
Cloudy first, light rain showers then cloudy, light rain showers later.
Snow Line from 10,856ft to 10,200ft, with rain below.
This Snow Forecast for Chamonix Sud, 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 Chamonix Sud, 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.
Chamonix Sud Snow Forecast updated at 11:37 PDT, next update expected imminently.
Snow Forecast near Chamonix Sud
Understanding and predicting Snow Conditions in Chamonix Sud
Here are our tips for making the most of a trip to Chamonix Sud, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix Sud, 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 Chamonix Sud 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 Chamonix Sud 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 Chamonix Sud 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.