Chamonix Snow Report and Forecast
Snow Forecast for Chamonix
This is the Snow and Weather for Chamonix from 18 February.
Updated 18 February 2026 19:47 GMT.
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Chamonix.
There is a useful amount of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Chamonix Snow Forecast Highlights
When will there be fresh snow in Chamonix?
| Next Snow Expected | 18 February |
|---|---|
| Next Snow Amount | 3cm 1in |
| Next 48 Hours | 39cm 16in |
| Next 7 Days | 39cm 16in |
| Save on Ski Hire | |
| Find a Ski Instructor |
Forecast for today in Chamonix
Max 7℃ 45°F
Min -2℃ 29°F
Freeze-thaw conditions, with valley temperatures cooling to -2℃ 29°F and rising to 7℃ 45°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
18
1cm to 3cm up to 1in New Snow
Cloudy, heavy snow showers, cloudy later.
Snow Line from 1,692m 5,551ft to resort level ( 1,030m 3,379ft ).
Forecast times for Chamonix are in Paris (Europe/Paris) time zone.
Powder Alert!
Powder Alarm issued 18 February 2026 22:43 GMT
Powder Possible :- 39cm 15in of Fresh Snow is forecast for Chamonix over the next 2 days.
Chamonix is reporting "Fresh Snow".*
ECMWF IFS - at altitude
Chamonix Snow Report
| Upper Snow Depths | 300cm 118in |
|---|---|
| Snow Conditions | Fresh Snow |
| Save on Ski Hire | |
| Last Snow | 5cm 2in of Snow - 18 February |
| Avalanche Risk Level | |
| The Avalanche Risk Level in Chamonix was reported as 4 (High) but snow changes rapidly, so ALWAYS take local advice before leaving marked runs. | |
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Chamonix 7-Day Snow Forecast Overview
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| Wed 18 | Thu 19 | Fri 20 | Sat 21 | Sun 22 | Mon 23 | Tue 24 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 3,840m 12,598ft | -11℃ 12°F
+3cm +1in
| -15℃ 5°F
 +24cm +9in
| -15℃ 5°F
+14cm +5in
| -10℃ 15°F
| -6℃ 21°F
| -8℃ 17°F
| -3℃ 26°F
 |
| 2,435m 7,989ft | -2℃ 28°F
+3cm +1in
| -6℃ 21°F
+24cm +9in
| -6℃ 21°F
+13cm +5in
| 0℃ 31°F
| 3℃ 38°F
| 1℃ 34°F
| 6℃ 42°F
|
| 1,030m 3,379ft | 7℃ 45°F
 +1cm
| 3℃ 38°F
+19cm +7in
| 4℃ 38°F
 +5cm +2in
| 7℃ 44°F
| 11℃ 51°F
| 9℃ 48°F
| 15℃ 58°F
|
| Snow Line | varying 1,692m 5,551ft | varying 1,276m 4,186ft | varying 1,322m 4,337ft | ||||
| Max Town | 7℃ 45°F | 3℃ 38°F | 4℃ 38°F | 7℃ 44°F | 11℃ 51°F | 9℃ 48°F | 15℃ 58°F |
| Min Town | -2℃ 29°F | -1℃ 31°F | 1℃ 33°F | -1℃ 30°F | -5℃ 23°F | 0℃ 32°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.
Snow Forecast near Chamonix
| Ski Area | 48 Hr | 7 Day | We | Th | Fr | Sa | Su | Mo | Tu |
|---|---|---|---|---|---|---|---|---|---|
| Argentière | 44cm 17in | 44cm 17in | |||||||
| La Flégère | 43cm 17in | 43cm 17in | |||||||
| Chamonix Sud | 40cm 16in | 40cm 16in | |||||||
| Les Contamines | 40cm 16in | 40cm 16in | |||||||
| St Gervais Mont-Blanc | 40cm 16in | 40cm 16in | |||||||
| Flaine | 39cm 16in | 39cm 16in | |||||||
| Les Houches | 39cm 15in | 39cm 15in | |||||||
| Megève | 39cm 15in | 39cm 15in |
Snow Reliability
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.