St Gervais Mont-Blanc 7-Day Snow Forecast

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

ECMWF IFS

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Updated 12 June 2026 01:41 PDT

Long-Range Snow Forecast for St Gervais Mont-Blanc

Long-range (14 to 45 days) from 12 June.

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 (5,249ft)
Next Snow?
There is no snow currently in the forecast for St Gervais Mont-Blanc.
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Long-range Snow Outlook for St Gervais Mont-Blanc

Snowfall

Snow Line

Max 84°F
Min 44°F

Snow unlikely

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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
Fri 12	Fair.	Max 71°F Min 44°F
Sat 13	Clear sky.	Max 77°F Min 47°F
Sun 14	Cloudy.	Max 75°F Min 51°F
Mon 15	Clear sky.	Max 76°F Min 51°F
Tue 16	Cloudy at altitude, clear spells below.	Max 79°F Min 52°F
Wed 17	Clear sky.	Max 81°F Min 54°F
Thu 18	Light snow at altitude, light rain below.	Max 84°F Min 60°F

No significant snowfall is forecast for this period.

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 trail 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 01:41 PDT, next update expected imminently.

Ensemble forecast for St Gervais Mont-Blanc, France at 2,789ft

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.

Snow Reliability

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.