Willamette Pass Snow Forecast - 7 day
Updated 01 April 2026 23:43 UTC
7-Day Snow Forecast for Willamette Pass
1-week from 2 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 | 2 April |
|---|---|
| Next Snow Amount | 13cm 5in |
| Next 48 Hours | 13cm 5in |
| Next 7 Days | 14cm 5in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 18℃ 64°F
Min -7℃ 20°F
14cm 5in New Snow
Snow Line from 1,629m 5,344ft to resort level ( 1,561m 5,121ft ).
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Powder Alert!
Powder Alarm issued 02 April 2026 04:44 UTC
Powder Possible :- 13cm 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 -2℃ 29°F
Min -7℃ 20°F
Below freezing at all levels, with valley temperatures as low as -7℃ 20°F and not getting above -2℃ 29°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
02
13cm to 14cm 5in New Snow
Heavy snow 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 6℃ 44°F
Min -7℃ 20°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -7℃ 20°F and rising to 6℃ 44°F
Temperature at BaseTemp at Base
Fri
03
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 13℃ 55°F
Min -2℃ 27°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 27°F and rising to 13℃ 55°F
Temperature at BaseTemp at Base
Sat
04
Snow unlikely
Fog early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 17℃ 62°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 17℃ 62°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sun
05
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 18℃ 64°F
Min 4℃ 40°F
Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Mon
06
Snow unlikely
Cloudy first, clear spells then fair, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 9℃ 48°F
Min 3℃ 37°F
Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 9℃ 48°F
Temperature at BaseTemp at Base
Tue
07
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 7℃ 44°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 7℃ 44°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
08
Snow unlikely
Cloudy first, fog then light snow, 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 23:43 UTC, next update expected 05:00 UTC.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Th | Fr | Sa | Su | Mo | Tu | We |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 10cm 4in | 11cm 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.