Willamette Pass Snow Forecast - 7 day
Updated 31 October 2026 12:40 CDT
7-Day Snow Forecast for Willamette Pass
1-week from 31 October.
For Forecast detail, see below.
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Willamette Pass 7-Day Snow Forecast Highlights
When will there be fresh snow in Willamette Pass?
| Next Snow Expected | 31 October |
|---|---|
| Next Snow Amount | 3cm |
| Next 48 Hours | 3cm |
| Next 7 Days | 3cm |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 15℃
Min -3℃
3cm New Snow
Snow Line from 1,729m to resort level (1,561m).
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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 7℃
Min -3℃
Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 7℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 3cm New Snow
Cloudy, clear sky, cloudy later.
Snow Line from 1,729m to resort level (1,561m).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 8℃
Min -1℃
Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 8℃
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 10℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 10℃
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 8℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 8℃
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 10℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 10℃
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 15℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 15℃
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 11℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 11℃
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 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 12:40 CDT, next update expected 18:00 CDT.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | 1cm |
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.