Willamette Pass Snow Forecast - 7 day
Updated 11 April 2026 16:45 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 12 April.
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 | 12 April |
|---|---|
| Next Snow Amount | 3in |
| Next 48 Hours | 5in |
| Next 7 Days | 11in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 45°F
Min 15°F
11in New Snow
Snow Line from 5,377ft to resort level (5,121ft).
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Powder Alert!
Powder Alarm issued 11 April 2026 20:43 PDT
Powder Possible :- 5in of Fresh Snow is forecast for Willamette Pass over the next 2 days.
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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 37°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 37°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
3in New Snow
Cloudy, light snow, heavy snow showers later.
Snow Line from 5,377ft to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 34°F
Min 29°F
Valley temperatures from an overnight low of 29°F to daytime highs around 34°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
2in New Snow
Heavy snow showers early, then light snow showers later.
Snow falling to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 41°F
Min 26°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 26°F and rising to 41°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
14
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 31°F
Min 22°F
Below freezing at all levels, with valley temperatures as low as 22°F and not getting above 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
15
6in New Snow
Cloudy early, then heavy snow showers later.
Snow falling to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 31°F
Min 15°F
Below freezing at all levels, with valley temperatures as low as 15°F and not getting above 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
16
New Snow
Light snow showers first, fog then light snow, clear spells later.
Snow falling to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 38°F
Min 17°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 17°F and rising to 38°F
Temperature at BaseTemp at Base
Fri
17
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 45°F
Min 24°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 24°F and rising to 45°F
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Cloudy.
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 16:45 PDT, next update expected 22:00 PDT.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 2in | 5in |
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.