Willamette Pass Snow Forecast - 7 day
Updated 20 March 2026 16:50 PDT
7-Day Snow Forecast for Willamette Pass
1-week from 21 March.
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 | 3 April |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | - |
| Next 7 Days | - |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 57°F
Min 20°F
New Snow
Snow Line from 6,329ft to resort level (5,121ft).
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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 47°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 47°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
21
Snow unlikely
Cloudy, light drizzle, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 57°F
Min 31°F
Valley temperatures from an overnight low of 31°F to daytime highs around 57°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 55°F
Min 36°F
Valley temperatures from an overnight low of 36°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 43°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 43°F
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Cloudy early, then clear spells later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 36°F
Min 21°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 21°F and rising to 36°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
25
New Snow
Rain showers first, light snow then snow showers, clear sky later.
Snow falling to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 48°F
Min 20°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 20°F and rising to 48°F
Temperature at BaseTemp at Base
Thu
26
Snow unlikely
Light snow, clear spells, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 50°F
Min 26°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 26°F and rising to 50°F
Temperature at BaseTemp at Base
Fri
27
Snow unlikely
Cloudy early, then clear sky 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 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 16:50 PDT, next update expected 22:00 PDT.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | 1in |
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.