Chamonix Snow Report and Forecast
Snow Forecast for Chamonix
When will there be fresh snow?
This is the Snow Forecast for Chamonix, France for 16 days from 25 March.
Updated 25 March 2025 00:37 UTC.
| Next Snow Expected | 29 March |
|---|---|
| Next Snow Amount | 1cm 1in |
| Next 48 Hours | - - |
| Next 7 Days | 26cm 10in |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Chamonix.
Forecast for today in Chamonix
Max 11℃ 52°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 11℃ 52°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
25
Snow unlikely
Fair early, then clear spells later.
Chamonix is reporting “Hard” with very light new snow forecast in the next 48 hours.
Chamonix Snow Report
| Upper Snow Depths | 200cm 79in |
|---|---|
| Lower Snow Depths | 5cm 2in |
| Snow Conditions | Hard |
| Last Snow | 21cm 8in of Snow - 16 March |
| Avalanche Risk Level | |
| The Avalanche Risk Level in Chamonix was reported as 3 (Considerable) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs. | |
Chamonix 7-Day Snow Forecast Overview
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| Tue 25 | Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F4 | NW F2 | |||||
| 3,840m 12,598ft | -7℃ 20°F
| -6℃ 21°F
| -8℃ 18°F
 | -10℃ 15°F
+2cm +1in
| -14℃ 6°F
 +1cm +1in
| -12℃ 11°F
 +19cm +7in
| -14℃ 7°F
+4cm +1in
|
| NE F2 | NW F2 | NW F4 | NW F2 | ||||
| 2,435m 7,989ft | -1℃ 30°F
 | 0℃ 31°F
| 5℃ 42°F
| 4℃ 39°F
 +1cm
| -3℃ 26°F
+1cm +1in
| -3℃ 27°F
+19cm +7in
| -5℃ 23°F
+2cm +1in
|
| NW F2 | |||||||
| 1,030m 3,379ft | 11℃ 52°F
| 12℃ 53°F
| 12℃ 54°F
| 11℃ 52°F
| 4℃ 39°F
| 3℃ 38°F
 | 6℃ 43°F
|
| Snow Line | 1,889m 6,198ft | varying 1,889m 6,198ft | varying 1,359m 4,459ft | varying 1,349m 4,426ft | varying 1,379m 4,524ft | ||
| Max Town | 11℃ 52°F | 12℃ 53°F | 12℃ 54°F | 11℃ 52°F | 4℃ 39°F | 3℃ 38°F | 6℃ 43°F |
| Min Town | 4℃ 39°F | 3℃ 38°F | 3℃ 37°F | 3℃ 38°F | -1℃ 30°F | 1℃ 33°F | 0℃ 32°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 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℃ 52°F
Min 4℃ 39°F
Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 11℃ 52°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
25
Snow unlikely
Fair early, then clear spells later.
Max 12℃ 53°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 12℃ 53°F
Temperature at BaseTemp at Base
Wed
26
Snow unlikely
Fair first, clear spells then cloudy, fair later.
Max 12℃ 54°F
Min 3℃ 37°F
Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 12℃ 54°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Clear sky, fair, clear spells later.
Max 11℃ 52°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 11℃ 52°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
28
up to 2cm up to 1in New Snow
Fair, cloudy, light snow at altitude later.
Snow Line from 1,889m 6,198ft to 1,409m 4,623ft , with rain below.
Max 4℃ 39°F
Min -1℃ 30°F
Valley temperatures from an overnight low of -1℃ 30°F to daytime highs around 4℃ 39°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
up to 1cm up to 1in New Snow
Clear spells early, then cloudy later.
Snow Line from 1,359m 4,459ft to 1,129m 3,704ft , with rain below.
Max 3℃ 38°F
Min 1℃ 33°F
Valley temperatures from an overnight low of 1℃ 33°F to daytime highs around 3℃ 38°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
30
up to 19cm up to 7in New Snow
Light snow at altitude early, then snow at altitude later.
Snow Line from 1,349m 4,426ft to 1,189m 3,901ft , with rain below.
Max 6℃ 43°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 6℃ 43°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
31
up to 4cm up to 1in New Snow
Clear spells early, then fair later.
Snow Line from 1,379m 4,524ft to 1,139m 3,737ft , with rain below.
This Snow Forecast for Chamonix, 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, 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 Snow Forecast updated at 00:37 UTC, next update expected imminently.
Snow Forecast near Chamonix
| Snow Report and Forecast | 48 Hr | Tue | Wed | Thu | Fri | Sat | Sun | Mon | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Ski Pass Mont Blanc | 1cm - | 34cm 13in | |||||||
| Combloux | - | 36cm 14in | |||||||
| Morzine | 1cm - | 35cm 14in | |||||||
| Avoriaz | - | 34cm 13in | |||||||
| Les Gets | - | 33cm 13in | |||||||
| Les Houches | - | 32cm 13in | |||||||
| Flaine | 3cm 1in | 29cm 11in | |||||||
| Megève | - | 29cm 11in |
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.