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Diamond Peak Long-Range Snow Forecast - 9th September 2026

Diamond Peak Long-Range Snow Forecast Updated today

ECMWF IFS
GEM
GFS

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Updated 09 September 2026 17:47 UTC

Long-Range Snow Forecast for Diamond Peak

Long-range (14 to 45 days) from 9 September.

For Forecast detail, see below.

Diamond Peak Snow Forecast Highlights

When will there be fresh snow in Diamond Peak?

Diamond Peak Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,325m)
Next Snow Expected12 September
Next Snow Amount 1cm -
Next 48 Hours - -
Next 7 Days 1cm -

Long-range Snow Outlook for Diamond Peak

 
Snowfall

 
Snow Line

Max 23℃ 73°F
Min -2℃ 29°F

1cm 1in New Snow

Snow falling to resort level ( 2,050m 6,726ft ).

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Diamond 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 Diamond Peak from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Wed
09
Clear

Clear sky.

Max 23℃ 73°F
Min 8℃ 46°F
Thu
10
Clear

Clear sky.

Max 20℃ 67°F
Min 9℃ 48°F
Fri
11
Clear

Clear sky.

Max 17℃ 63°F
Min 3℃ 37°F
Sat
12
Cloud

1cm 1in New Snow
Cloudy.
Snow falling to resort level ( 2,050m 6,726ft ).

Max 13℃ 55°F
Min 0℃ 31°F
Sun
13
Clear

Clear sky.

Max 12℃ 53°F
Min -2℃ 29°F
Mon
14
Clear

Clear sky.

Max 17℃ 63°F
Min 1℃ 34°F
Tue
15
Clear

Clear sky.

Max 20℃ 68°F
Min 4℃ 39°F

This Snow Forecast for Diamond 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 Diamond Peak, 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.

Diamond Peak Snow Forecast updated at 17:47 UTC, next update expected 23:00 UTC.

Ensemble forecast for Diamond Peak, USA at 2,050m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Snow Forecast near Diamond Peak

Snow Forecasts for Ski Resorts near Diamond Peak
Ski Area 48 Hr 7 DayWeThFrSaSuMoTu
Willamette Pass- 3cm 1in

Snow Reliability

Diamond Peak enjoys reliable snowfall, with an average snow depth of around 300 inches each season. For the latest snow conditions, please refer to J2Ski for up-to-date information.

Off-Piste Safety in Diamond Peak

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