Porcupine Mountain 7-Day Snow Forecast

Porcupine Mountain Long-Range Snow Forecast Updated today

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Updated 20 June 2026 21:44 AEST

Long-Range Snow Forecast for Porcupine Mountain

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

For Forecast detail, see below.

Porcupine Mountain Snow Forecast Highlights

When will there be fresh snow in Porcupine Mountain?

Porcupine Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (340m)
Next Snow?
There is no snow currently in the forecast for Porcupine Mountain.

Long-range Snow Outlook for Porcupine Mountain

Snowfall

Snow Line

Max 41℃
Min 20℃

Snow unlikely

Porcupine Mountain 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 Porcupine Mountain from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Sat 20	Clear sky.	Max 37℃ Min 20℃
Sun 21	Clear sky.	Max 38℃ Min 21℃
Mon 22	Clear sky.	Max 39℃ Min 23℃
Tue 23	Clear sky.	Max 41℃ Min 25℃
Wed 24	Clear sky.	Max 39℃ Min 23℃
Thu 25	Clear sky.	Max 38℃ Min 22℃
Fri 26	Cloudy.	Max 36℃ Min 22℃

No significant snowfall is forecast for this period.

This Snow Forecast for Porcupine Mountain, 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 Porcupine Mountain, 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.

Porcupine Mountain Snow Forecast updated at 21:44 AEST, next update expected imminently.

Ensemble forecast for Porcupine Mountain, USA at 238m

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.

United States Accommodation (Apartments, Chalets, Hotels) Map

Snow Reliability

Porcupine Mountain typically enjoys a snow depth of 60 to 100 inches each season, with consistent snowfall from December to March. For the latest snow conditions, check J2Ski for up-to-date information.

Off-Piste Safety in Porcupine Mountain

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