Willamette Pass Snow Forecast - 7 day
Updated 31 August 2026 05:43 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 31 August.
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? | |
|---|---|
| There is no snow currently in the forecast for Willamette Pass. |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 75°F
Min 32°F
Snow unlikely
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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 75°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 75°F
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Clear sky.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 63°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 63°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 56°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 56°F
Temperature at BaseTemp at Base
Wed
02
Snow unlikely
Cloudy early, then rain showers later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 55°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Thu
03
Snow unlikely
Light rain first, light rain showers then rain showers, clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 56°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 56°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Fri
04
Snow unlikely
Clear sky.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 64°F
Min 36°F
Valley temperatures from an overnight low of 36°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Drizzle first, clear sky then cloudy, fair later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 73°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 73°F
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Fair early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
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 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 05:43 PDT, next update expected imminently.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Mo | Tu | We | Th | Fr | Sa | Su |
|---|---|---|---|---|---|---|---|---|---|
| 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.