Willamette Pass Snow Forecast - 7 day
Updated 22 May 2026 10:41 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 22 May.
For Forecast detail, see below.
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Willamette Pass 7-Day Snow Forecast Highlights
When will there be fresh snow in Willamette Pass?
| Next Snow Expected | 26 May |
|---|---|
| Next Snow Amount | - |
| Next 48 Hours | - |
| Next 7 Days | - |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 71°F
Min 29°F
New Snow
Snow Line from 5,410ft to resort level (5,121ft).
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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 65°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Fri
22
Snow unlikely
Clear sky.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 66°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Sat
23
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 71°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Sun
24
Snow unlikely
Cloudy, clear spells, clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 66°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 66°F
Temperature at BaseTemp at Base
Mon
25
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 44°F
Min 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 44°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
26
New Snow
Cloudy first, light snow showers then cloudy, light drizzle later.
Snow Line from 5,410ft to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 42°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 42°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
27
Snow unlikely
Cloudy, light snow, fog later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 62°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 62°F
Temperature at BaseTemp at Base
Thu
28
Snow unlikely
Fog, cloudy, clear spells later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
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 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.
Willamette Pass Snow Forecast updated at 10:41 PDT, next update expected 16:00 PDT.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | - |
Snow Reliability
Willamette Pass typically enjoys reliable snowfall, with an average snow depth of 5 to 10 feet throughout the season. For the most current snow conditions, including snowfall updates, check J2Ski for the latest information.