Willamette Pass Snow Forecast - 7 day
Updated 12 April 2026 06:46 BST
7-Day Snow Forecast for Willamette Pass
1-week from 12 April.
For Forecast detail, see below.
There is some snow in the long-range forecast (8 to 16 days from today)!
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 | 12 April |
|---|---|
| Next Snow Amount | 4cm 1in |
| Next 48 Hours | 9cm 4in |
| Next 7 Days | 26cm 10in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 5℃ 41°F
Min -10℃ 14°F
26cm 10in New Snow
Snow Line from 1,649m 5,410ft to resort level ( 1,561m 5,121ft ).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Powder Alarm issued 12 April 2026 07:45 BST
Powder Possible :- 24cm 9in of Fresh Snow is forecast for Willamette Pass over the next 3 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 5℃ 41°F
Min -1℃ 31°F
Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 5℃ 41°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
3cm to 4cm 1in New Snow
Light drizzle early, then cloudy later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 0℃ 32°F
Min -2℃ 27°F
Valley temperatures from an overnight low of -2℃ 27°F to daytime highs around 0℃ 32°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
4cm 2in New Snow
Heavy snow showers early, then fog later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 5℃ 40°F
Min -6℃ 21°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ 21°F and rising to 5℃ 40°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
14
1cm New Snow
Cloudy.
Snow Line from 1,649m 5,410ft to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 0℃ 32°F
Min -6℃ 22°F
Below freezing at all levels, with valley temperatures as low as -6℃ 22°F and not getting above 0℃ 32°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
15
15cm 6in New Snow
Snow showers first, heavy snow showers then heavy snow, snow showers later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max -1℃ 31°F
Min -10℃ 14°F
Below freezing at all levels, with valley temperatures as low as -10℃ 14°F and not getting above -1℃ 31°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
16
2cm 1in New Snow
Light snow showers, light snow, light snow showers later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 4℃ 40°F
Min -7℃ 20°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -7℃ 20°F and rising to 4℃ 40°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 5℃ 40°F
Min -4℃ 24°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 24°F and rising to 5℃ 40°F
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Cloudy, clear spells, cloudy 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 06:46 BST, next update expected 12:00 BST.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 1cm - | 10cm 4in |
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.