Willamette Pass Snow Forecast - 7 day
Updated 31 October 2026 04:53 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 31 October.
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 | 31 October |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | 1in |
| Next 7 Days | 1in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 58°F
Min 27°F
1in New Snow
Snow Line from 5,673ft 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 45°F
Min 27°F
Freeze-thaw conditions, with valley temperatures cooling to 27°F and rising to 45°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 1in New Snow
Cloudy, clear sky, cloudy later.
Snow Line from 5,673ft to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 45°F
Min 30°F
Freeze-thaw conditions, with valley temperatures cooling to 30°F and rising to 45°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Snow showers first, fair then clear sky, fair later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 51°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 51°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Mon
02
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 47°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 47°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Tue
03
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 51°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 51°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Wed
04
Snow unlikely
Cloudy, fog, clear spells later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 58°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 58°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Thu
05
Snow unlikely
Cloudy, clear sky, fair later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 52°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 52°F
Temperature at BaseTemp at Base
Fri
06
Snow unlikely
Fair, 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 04:53 PDT, next update expected imminently.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | - |
How reliable is the snow in Willamette Pass?
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.