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Willamette Pass 7-Day Snow Forecast - 21st September 2026

Willamette Pass Snow Forecast - 7 day

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Updated 21 September 2026 00:43 CDT

7-Day Snow Forecast for Willamette Pass

1-week from 21 September.

For Forecast detail, see below.

Willamette Pass 7-Day Snow Forecast Highlights

When will there be fresh snow in Willamette Pass?

Willamette Pass Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,799m)
Next Snow?
There is no snow currently in the forecast for Willamette Pass.

7-Day Snow Outlook for Willamette Pass

 
Snowfall

 
Snow Line

Max 21℃
Min 3℃

Snow unlikely

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 21℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 15℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 20℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

ClearCloudCloudCloud

Clear sky early, then cloudy later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 20℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 20℃

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 12℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

CloudLt DrizzleLt DrizzleCloud

Cloudy, light drizzle, cloudy later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 21℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 21℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

CloudCloudClearClear

Cloudy early, then clear sky later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Max 15℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 15℃

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

ClearCloudCloudClear

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 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 00:43 CDT, next update expected 06:00 CDT.

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.