Chamonix Snow Report and Forecast
Updated 20 October 2026 14:48 CDT
Snow Forecast for Chamonix
Snow and Weather from 20 October.
For Forecast detail, see below.
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Chamonix Snow Forecast Highlights
When will there be fresh snow in Chamonix?
| Next Snow Expected | 21 October |
|---|---|
| Next Snow Amount | 7cm |
| Next 48 Hours | 7cm |
| Next 7 Days | 45cm |
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Forecast for today in Chamonix
Max 17℃
Min 8℃
Valley temperatures from an overnight low of 8℃ to daytime highs around 17℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
20
up to 4cm New Snow
Fog early, then light drizzle later.
Snow Line from 3,107m to 2,399m, with rain below.
Forecast times for Chamonix are in Paris (Europe/Paris) time zone.
Powder Alert!
Powder Alarm issued 20 October 2026 15:44 CDT
Powder Possible :- 25cm of Fresh Snow is forecast for Chamonix over the next 4 days.
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Chamonix 7-Day Snow Forecast Overview
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| Tue 20 | Wed 21 | Thu 22 | Fri 23 | Sat 24 | Sun 25 | Mon 26 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m | -1℃
 +4cm
| -7℃
 +14cm
| -9℃
 +1cm
| -6℃
 +7cm
| -14℃
+11cm
| -8℃
+23cm
| -5℃
 |
| 2,435m | 8℃
| 2℃
+7cm
| 0℃
+1cm
| 3℃
+7cm
| -5℃
+11cm
| 1℃
 +20cm
| 4℃
|
| 1,030m | 17℃
| 10℃
| 11℃
| 14℃
 | 5℃
| 8℃
| 13℃
|
| Snow Line | varying 3,107m | varying 2,384m | varying 1,338m | varying 2,076m | varying 1,553m | varying 2,076m | |
| Max Town | 17℃ | 10℃ | 11℃ | 14℃ | 5℃ | 8℃ | 13℃ |
| Min Town | 8℃ | 4℃ | -1℃ | 2℃ | 2℃ | 3℃ | 0℃ |
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.
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Snow Forecast near Chamonix
| Ski Area | 48 Hr | 7 Day | Tu | We | Th | Fr | Sa | Su | Mo |
|---|---|---|---|---|---|---|---|---|---|
| Ski Pass Mont Blanc | 31cm | 90cm | |||||||
| Argentière | 15cm | 71cm | |||||||
| Chamonix Sud | 20cm | 61cm | |||||||
| Les Contamines | 11cm | 60cm | |||||||
| La Rosière | 10cm | 56cm | |||||||
| La Clusaz | 8cm | 55cm | |||||||
| Sainte-Foy Tarentaise | 9cm | 51cm | |||||||
| La Flégère | 11cm | 50cm |
How reliable is the snow in Chamonix?
Chamonix typically enjoys reliable snowfall, with an average snow depth of 80-200 cm throughout the season. For the latest snow conditions, be sure to check J2Ski for up-to-date information.
Understanding and predicting Snow Conditions in Chamonix
Here are our tips for making the most of a trip to Chamonix, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix, 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 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 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 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.