Grand St Bernard 7-Day Snow Forecast

Grand St Bernard Long-Range Snow Forecast Updated today

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Updated 31 October 2026 08:42 CDT

Long-Range Snow Forecast for Grand St Bernard

Long-range (14 to 45 days) from 31 October.

For Forecast detail, see below.

Grand St Bernard Snow Forecast Highlights

When will there be fresh snow in Grand St Bernard?

Grand St Bernard Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,355m)
Next Snow Expected	9 November
Next Snow Amount	10cm
Next 48 Hours	1cm
Next 7 Days	2cm

Long-range Snow Outlook for Grand St Bernard

Snowfall

Snow Line

Max 10℃
Min -4℃

5cm New Snow

Snow falling to resort level (1,910m).

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Grand St Bernard 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 Grand St Bernard from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Sat 31	Fog at altitude, clear sky below.	Max 10℃ Min -2℃
Sun 01	2cm to 4cm New Snow Snow showers at altitude, rain showers below. Snow falling to resort level (1,910m).	Max 8℃ Min -2℃
Mon 02	Fair.	Max 5℃ Min -4℃
Tue 03	Clear sky.	Max 4℃ Min -4℃
Wed 04	1cm New Snow Clear spells at altitude, light rain below. Snow falling to resort level (1,910m).	Max -1℃ Min -3℃
Thu 05	Fog at altitude, clear spells below.	Max 2℃ Min -3℃
Fri 06	Clear sky.	Max 8℃ Min -4℃

This Snow Forecast for Grand St Bernard, Switzerland 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 Grand St Bernard, 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.

Grand St Bernard Snow Forecast updated at 08:42 CDT, next update expected 14:00 CDT.

Ensemble forecast for Grand St Bernard, Switzerland at 1,910m

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.

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How reliable is the snow in Grand St Bernard?

Grand St Bernard boasts reliable snow conditions, typically featuring a snow depth of 100-200 cm. Regular snowfall ensures excellent skiing opportunities throughout the season, but always check J2Ski for the latest snow updates.

Off-Piste Safety in Grand St Bernard

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