Cascade Mountain 7-Day Snow Forecast

Cascade Mountain Long-Range Snow Forecast Updated today

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Updated 11 August 2026 18:47 PDT

Long-Range Snow Forecast for Cascade Mountain

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

For Forecast detail, see below.

Cascade Mountain Snow Forecast Highlights

When will there be fresh snow in Cascade Mountain?

Cascade Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,048ft)
Next Snow?
There is no snow currently in the forecast for Cascade Mountain.

Long-range Snow Outlook for Cascade Mountain

Snowfall

Snow Line

Max 86°F
Min 58°F

Snow unlikely

Cascade 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 Cascade Mountain from OpenMeteo(GFS)
	Snow and Weather	Temp Town
Wed 12	Cloudy.	Max 86°F Min 68°F
Thu 13	Rain showers.	Max 82°F Min 69°F
Fri 14	Clear sky.	Max 83°F Min 65°F
Sat 15	Cloudy.	Max 83°F Min 63°F
Sun 16	Clear spells.	Max 77°F Min 62°F
Mon 17	Clear sky.	Max 78°F Min 58°F
Tue 18	Cloudy.	Max 77°F Min 61°F

No significant snowfall is forecast for this period.

This Snow Forecast for Cascade 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 Cascade 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.

Cascade Mountain Snow Forecast updated at 18:47 PDT, next update expected 00:00 PDT.

Ensemble forecast for Cascade Mountain, USA at 817ft

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

Cascade Mountain typically sees a snow depth of 30-50 inches during peak season, with reliable snowfall throughout the winter. For the latest snow conditions, visit J2Ski for up-to-date information.

Off-Piste Safety in Cascade Mountain

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