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 16 days from 6 May.
Updated 06 May 2025 14:34 AEST.
| Next Snow Expected | 7 May |
|---|---|
| Next Snow Amount | 5cm |
| Next 48 Hours | 15cm |
| Next 7 Days | 25cm |
| Find a Ski Instructor | |
| Free Snow Reports by e-Mail | Sign Up for Powder Alerts |
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 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 11℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 3cm New Snow
Fog, cloudy, light rain showers later.
Snow Line from 2,219m to 2,139m, with rain below.
Chamonix (including Chamonix Sud) is reporting “Spring Snow(High)” with 15cm 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
Get this snow forecast by e-mail Join J2Ski's Snow Mail Here
NEW FOR 24/25 - Improved Forecasts for Chamonix Sud - high-resolution weather models, updated more often - Subscribe
| Tue 06 | Wed 07 | Thu 08 | Fri 09 | Sat 10 | Sun 11 | Mon 12 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m | -7℃
 +3cm
| -10℃
 +9cm
| -10℃
 +2cm
| -10℃
+2cm
| -6℃
| -1℃
+1cm
| -1℃
+6cm
|
| 2,440m | 0℃
 +1cm
| -1℃
+5cm
| 3℃
+2cm
| 4℃
 | 8℃
| 8℃
| 8℃
|
| 1,040m | 11℃
| 9℃
 | 9℃
| 11℃
| 15℃
| 18℃
 | 18℃
|
| Snow Line | varying 2,219m | varying 2,069m | varying 1,979m | varying 2,049m | varying 2,479m | varying 2,679m | varying 2,719m |
| Max Town | 11℃ | 9℃ | 9℃ | 11℃ | 15℃ | 18℃ | 18℃ |
| Min Town | 5℃ | 6℃ | 6℃ | 6℃ | 7℃ | 8℃ | 10℃ |
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 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 11℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
06
up to 3cm New Snow
Fog, cloudy, light rain showers later.
Snow Line from 2,219m to 2,139m, 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
Wed
07
up to 9cm New Snow
Light rain, cloudy, rain showers later.
Snow Line from 2,069m to 1,779m, 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
Thu
08
up to 2cm New Snow
Cloudy early, then rain showers later.
Snow Line from 1,979m to 1,849m, with rain below.
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
Fri
09
up to 2cm New Snow
Cloudy, rain showers, clear spells later.
Snow Line from 2,049m to 1,929m, with rain below.
Max 15℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 15℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
10
Snow unlikely
Clear sky, clear spells, fair later.
Max 18℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
11
up to 1cm New Snow
Clear sky first, clear spells then light rain showers, clear sky later.
Snow Line from 2,679m to 2,609m, with rain below.
Max 18℃
Min 10℃
Valley temperatures from an overnight low of 10℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
12
up to 6cm New Snow
Clear sky first, cloudy then thunderstorms, clear spells later.
Snow Line from 2,719m to 2,679m, 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 14:34 AEST, next update expected 20:00 AEST.
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.