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Willamette Pass Snow Forecast - 30th May 2025

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Willamette Pass Snow Report and Forecast

Snow Forecast for Willamette Pass

When will there be fresh snow?

This is the Snow Forecast for Willamette Pass, United States for 15 days from 30 May.

Updated 30 May 2025 10:35 NZST.

Willamette Pass Snow Forecast Highlights
Next Snow?
There is no snow currently in the forecast for Willamette Pass.
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Willamette Pass.

Forecast for today in Willamette Pass

Max 25℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Fri
30

Snow unlikely

ClearClearClearClear

Clear sky.

Willamette Pass has no new snow forecast in the next 48 hours.

Willamette Pass Snow Report

Willamette Pass Snow Depths and Conditions.
Upper Snow Depths
-
Lower Snow Depths
-
Snow Conditions
-

Willamette Pass 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Willamette Pass from OpenMeteo
Fri
30
Sat
31
Sun
01
Mon
02
Tue
03
Wed
04
Thu
05
WindSE F3W F2NW F2NW F2
2,037m
22℃
Clear
21℃
Cloud
14℃
Cloud
17℃
Clear
17℃
Clear
15℃
Cloud
17℃
Clear
S F2NW F2NW F2NW F2
1,799m
23℃
Clear
23℃
Cloud
16℃
Cloud
18℃
Clear
18℃
Clear
17℃
Cloud
18℃
Clear
SE F2NW F2NW F2NW F2
1,561m
25℃
Clear
24℃
Cloud
18℃
Cloud
20℃
Clear
20℃
Clear
18℃
Clear
20℃
Clear
Snow Line
Max Town25℃24℃18℃20℃20℃18℃20℃
Min Town8℃10℃3℃3℃6℃7℃5℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Willamette Pass Medium-Range (7-Day) Snow Forecast Detail

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.

Max 25℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Fri
30

Snow unlikely

ClearClearClearClear

Clear sky.

Max 24℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 24℃

Temperature at BaseTemp at Base

Sat
31

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

Max 18℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sun
01

Snow unlikely

ShwrsCloudCloudClear

Rain showers, cloudy, clear sky later.

Max 20℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Mon
02

Snow unlikely

ClearClearClearClear

Clear sky.

Max 20℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Tue
03

Snow unlikely

CloudClearClearFair

Cloudy, clear sky, fair later.

Max 18℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Wed
04

Snow unlikely

FairClearClearFair

Fair, clear sky, fair later.

Max 20℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Thu
05

Snow unlikely

MixedFairClearClear

Clear spells, fair, clear sky later.

No significant snowfall is forecast for this period.

This Snow Forecast for Willamette Pass, 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 Willamette Pass, 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.

Willamette Pass Snow Forecast updated at 10:35 NZST, next update expected imminently.

Understanding and predicting Snow Conditions in Willamette Pass

Here are our tips for making the most of a trip to Willamette Pass, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Willamette Pass, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Willamette Pass is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Willamette Pass will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Willamette Pass for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.