St Gervais Mont-Blanc 7-Day Snow Forecast

St Gervais Mont-Blanc Long-Range Snow Forecast Updated today

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Updated 20 October 2026 19:48 UTC

Long-Range Snow Forecast for St Gervais Mont-Blanc

Long-range (14 to 45 days) from 21 October.

For Forecast detail, see below.

St Gervais Mont-Blanc Snow Forecast Highlights

When will there be fresh snow in St Gervais Mont-Blanc?

St Gervais Mont-Blanc Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,600m)
Next Snow Expected	21 October
Next Snow Amount	4cm 1in
Next 48 Hours	7cm 3in
Next 7 Days	27cm 11in
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Long-range Snow Outlook for St Gervais Mont-Blanc

Snowfall

Snow Line

Max 18℃ 65°F
Min -1℃ 31°F

44cm 17in New Snow

Snow Line from 2,235m 7,333ft to 1,081m 3,547ft , with rain below.

Powder Alert!

Powder Alarm issued 20 October 2026 23:53 UTC

Powder Possible :- 22cm 9in of Fresh Snow is forecast for St Gervais Mont-Blanc over the next 4 days.

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St Gervais Mont-Blanc Long-Range (2 weeks+) Snow Forecast Outlook

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.

16 Day Weather and Snow Forecast for St Gervais Mont-Blanc from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Wed 21	up to 6cm up to 2in New Snow Light snow at altitude, light rain below. Snow Line from 2,235m 7,333ft to 1,404m 4,606ft , with rain below.	Max 12℃ 53°F Min 5℃ 41°F
Thu 22	up to 1cm New Snow Fog. Snow Line from 1,296m 4,252ft to 1,081m 3,547ft , with rain below.	Max 12℃ 54°F Min 0℃ 31°F
Fri 23	up to 8cm up to 3in New Snow Snow at altitude, rain below. Snow Line from 2,204m 7,231ft to 1,342m 4,403ft , with rain below.	Max 15℃ 59°F Min 1℃ 35°F
Sat 24	up to 16cm up to 6in New Snow Light snow at altitude, drizzle below. Snow Line from 1,527m 5,010ft to 1,096m 3,596ft , with rain below.	Max 6℃ 43°F Min 3℃ 38°F
Sun 25	up to 13cm up to 5in New Snow Snow at altitude, rain below. Snow Line from 1,835m 6,020ft to 1,158m 3,799ft , with rain below.	Max 10℃ 49°F Min 4℃ 38°F
Mon 26	up to 1cm New Snow Fair. Snow Line from 1,665m 5,463ft to 1,542m 5,059ft , with rain below.	Max 14℃ 57°F Min -1℃ 31°F
Tue 27	Clear sky.	Max 18℃ 65°F Min 5℃ 41°F

This Snow Forecast for St Gervais Mont-Blanc, 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 St Gervais Mont-Blanc, 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.

St Gervais Mont-Blanc Snow Forecast updated at 19:48 UTC, next update expected imminently.

Ensemble forecast for St Gervais Mont-Blanc, France at 850m

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

France Accommodation (Apartments, Chalets, Hotels) Map

Snow Forecast near St Gervais Mont-Blanc

Snow Forecasts for Ski Resorts near St Gervais Mont-Blanc
Ski Area	48 Hr	7 Day
Ski Pass Mont Blanc	27cm 11in	82cm 32in
Argentière	20cm 8in	69cm 27in
Chamonix	22cm 9in	56cm 22in
Les Contamines	19cm 7in	60cm 24in
La Rosière	15cm 6in	55cm 22in
La Clusaz	12cm 5in	55cm 22in
Les Arcs	14cm 5in	52cm 20in
Megève	14cm 5in	43cm 17in

How reliable is the snow in St Gervais Mont-Blanc?

St Gervais typically enjoys reliable snow conditions, with an average snowfall of around 4 meters annually and snow depths often reaching 150 cm in peak season. For the latest snow information, check J2Ski for updates.

Off-Piste Safety in St Gervais Mont-Blanc

Before skiing or snowboarding off-piste in St Gervais Mont-Blanc, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.