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 6 May.
Updated 06 May 2025 04:31 NZST.
| Next Snow Expected | 7 May |
|---|---|
| Next Snow Amount | 10cm |
| Next 48 Hours | 29cm |
| Next 7 Days | 37cm |
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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 11℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 11℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 6cm New Snow
Cloudy early, then light rain showers later.
Snow Line from 2,259m to 2,089m, with rain below.
Chamonix (including Chamonix Sud) is reporting “Spring Snow(High)” with 29cm new snow forecast in the next 48 hours.
Chamonix Sud Snow Report
| Upper Snow Depths | 240cm |
|---|---|
| Snow Conditions | Spring Snow High |
| Last Snow | |
| 100cm of Snow - 24 April | |
| 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. | |
Chamonix Sud 7-Day Snow Forecast Overview
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| Tue 06 | Wed 07 | Thu 08 | Fri 09 | Sat 10 | Sun 11 | Mon 12 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m | -7℃
 +6cm
| -9℃
 +23cm
| -11℃
 +1cm
| -8℃
+2cm
| -2℃
 | -2℃
| -1℃
+5cm
|
| 2,440m | 0℃
 +1cm
| 1℃
+10cm
| 3℃
+1cm
| 5℃
+1cm
| 8℃
| 8℃
| 8℃
|
| 1,040m | 11℃
| 9℃
| 9℃
| 12℃
| 16℃
 | 17℃
| 18℃
 |
| Snow Line | varying 2,259m | varying 2,029m | varying 1,879m | varying 2,149m | varying 2,639m | ||
| Max Town | 11℃ | 9℃ | 9℃ | 12℃ | 16℃ | 17℃ | 18℃ |
| Min Town | 6℃ | 6℃ | 6℃ | 6℃ | 6℃ | 8℃ | 9℃ |
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 11℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 11℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 6cm New Snow
Cloudy early, then light rain showers later.
Snow Line from 2,259m to 2,089m, with rain below.
Max 9℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
07
up to 23cm New Snow
Rain showers first, light snow at altitude then rain showers, light drizzle later.
Snow Line from 2,029m to 1,559m, with rain below.
Max 9℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 9℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
08
up to 1cm New Snow
Fog, cloudy, fog later.
Snow Line from 1,879m to 1,709m, with rain below.
Max 12℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 12℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
09
up to 2cm New Snow
Drizzle first, cloudy then rain showers, clear sky later.
Snow Line from 2,149m to 1,719m, with rain below.
Max 16℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 16℃
Temperature at BaseTemp at Base
Sat
10
Snow unlikely
Fair, cloudy, clear sky later.
Max 17℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Clear sky first, fair then cloudy, clear sky later.
Max 18℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
12
up to 5cm New Snow
Clear sky first, clear spells then light rain showers, cloudy later.
Snow Line from 2,639m to 2,579m, 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 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.
Chamonix Sud Snow Forecast updated at 04:31 NZST, 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.