Sils 7-Day Snow Forecast

Sils Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 20 June 2026 00:47 UTC

Long-Range Snow Forecast for Sils

Long-range (14 to 45 days) from 20 June.

For Forecast detail, see below.

Sils Snow Forecast Highlights

When will there be fresh snow in Sils?

Sils Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,550m)
Next Snow Expected	2 July
Next Snow Amount	7cm 3in
Next 48 Hours	- -
Next 7 Days	- -

Long-range Snow Outlook for Sils

Snowfall

Snow Line

Max 18℃ 64°F
Min 6℃ 42°F

Snow unlikely

Sils 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 Sils from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Sat 20	Snow showers at altitude, rain showers below.	Max 16℃ 61°F Min 7℃ 44°F
Sun 21	Clear sky.	Max 16℃ 62°F Min 7℃ 44°F
Mon 22	Snow showers at altitude, rain showers below.	Max 17℃ 62°F Min 6℃ 42°F
Tue 23	Clear sky at altitude, light drizzle below.	Max 16℃ 61°F Min 7℃ 45°F
Wed 24	Light snow at altitude, light rain below.	Max 17℃ 62°F Min 6℃ 43°F
Thu 25	Clear spells.	Max 18℃ 64°F Min 8℃ 47°F
Fri 26	Light snow at altitude, rain showers below.	Max 18℃ 64°F Min 10℃ 49°F

This Snow Forecast for Sils, 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 Sils, 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.

Sils Snow Forecast updated at 00:47 UTC, next update expected imminently.

Ensemble forecast for Sils, Switzerland at 1,797m

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

Sils typically enjoys reliable snow conditions, with an average snow depth of 100 cm in winter. For the latest snow information, be sure to check J2Ski for updates.

Off-Piste Safety in Sils

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