Willamette Pass Snow Forecast - 7 day
Updated 20 September 2026 22:43 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 21 September.
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 70°F
Min 37°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 70°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 70°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 59°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 69°F
Min 40°F
Valley temperatures from an overnight low of 40°F to daytime highs around 69°F
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 68°F
Min 44°F
Valley temperatures from an overnight low of 44°F to daytime highs around 68°F
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 54°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 54°F
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Cloudy, light drizzle, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 69°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 69°F
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 59°F
Min 41°F
Valley temperatures from an overnight low of 41°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Sun
27
Snow unlikely
Clear sky, cloudy, 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 22:43 PDT, next update expected 04:00 PDT.
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.