Willamette Pass Snow Forecast - 7 day
Updated 22 May 2026 12:41 BST
7-Day Snow Forecast for Willamette Pass
1-week from 22 May.
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 | 26 May |
|---|---|
| Next Snow Amount | 1cm - |
| Next 48 Hours | - - |
| Next 7 Days | 3cm 1in |
7-Day Snow Outlook for Willamette Pass
Snowfall
Snow Line
Max 22℃ 72°F
Min -1℃ 30°F
3cm 1in New Snow
Snow Line from 1,759m 5,771ft to resort level ( 1,561m 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 18℃ 64°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Fri
22
Snow unlikely
Clear sky.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 19℃ 66°F
Min 8℃ 45°F
Valley temperatures from an overnight low of 8℃ 45°F to daytime highs around 19℃ 66°F
Temperature at BaseTemp at Base
Sat
23
Snow unlikely
Clear sky, cloudy, clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 22℃ 72°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 22℃ 72°F
Temperature at BaseTemp at Base
Sun
24
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 18℃ 64°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Mon
25
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 6℃ 42°F
Min -1℃ 30°F
Valley temperatures from an overnight low of -1℃ 30°F to daytime highs around 6℃ 42°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
26
1cm New Snow
Fog first, light snow showers then fog, clear spells later.
Snow falling to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 4℃ 39°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 4℃ 39°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
27
up to 1cm up to 1in New Snow
Fog first, cloudy then heavy snow showers, cloudy later.
Snow Line from 1,759m 5,771ft to resort level ( 1,561m 5,121ft ).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Max 20℃ 67°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 20℃ 67°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
28
Snow unlikely
Cloudy, clear spells, 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 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 12:41 BST, next update expected imminently.
Snow Forecast near Willamette Pass
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | 2cm 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.