Granite Peak 7-Day Snow Forecast

Granite Peak Long-Range Snow Forecast Updated today

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Updated 20 September 2026 16:52 PDT

Long-Range Snow Forecast for Granite Peak

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

For Forecast detail, see below.

Granite Peak Snow Forecast Highlights

When will there be fresh snow in Granite Peak?

Granite Peak Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,593ft)
Next Snow?
There is no snow currently in the forecast for Granite Peak.

Long-range Snow Outlook for Granite Peak

Snowfall

Snow Line

Max 68°F
Min 41°F

Snow unlikely

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Granite Peak 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 Granite Peak from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Mon 21	Cloudy.	Max 58°F Min 44°F
Tue 22	Cloudy.	Max 63°F Min 41°F
Wed 23	Clear sky.	Max 66°F Min 41°F
Thu 24	Cloudy.	Max 66°F Min 45°F
Fri 25	Cloudy.	Max 68°F Min 50°F
Sat 26	Cloudy.	Max 57°F Min 52°F
Sun 27	Cloudy.	Max 64°F Min 55°F

No significant snowfall is forecast for this period.

This Snow Forecast for Granite Peak, United States 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 Granite Peak, 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.

Granite Peak Snow Forecast updated at 16:52 PDT, next update expected imminently.

Ensemble forecast for Granite Peak, USA at 1,243ft

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

Granite Peak enjoys reliable snowfall throughout the winter, with an average snow depth of 60 inches. Snow conditions vary, so it's recommended to check the latest updates on J2Ski to ensure the best skiing experience.

Off-Piste Safety in Granite Peak

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