Willamette Pass Long-Range Snow Forecast
Snow Forecast for Willamette Pass
When will there be fresh snow?
This is the Long-range Snow Forecast for Willamette Pass, United States for 16 days from 20 June.
Updated 20 June 2025 20:32 NZST.
| Next Snow Expected | 20 June |
|---|---|
| Next Snow Amount | 4cm |
| Next 48 Hours | 23cm |
| Next 7 Days | 23cm |
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For Forecast detail, see below.
Forecast for Willamette Pass
Max 13℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
20
up to 5cm New Snow
Cloudy, snow showers at altitude, cloudy later.
Snow Line from 1,619m to resort level.
Willamette Pass has 23cm new snow forecast in the next 48 hours.
Willamette Pass Long-Range (16-Day) Snow Forecast Outlook
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.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Fri 20 | | up to 5cm New Snow | Max 13℃ Min 2℃ |
| Sat 21 |  | 9cm to 16cm New Snow | Max 4℃ Min 0℃ |
| Sun 22 |  | 1cm to 3cm New Snow | Max 14℃ Min 1℃ |
| Mon 23 |  | Clear sky. | Max 22℃ Min 4℃ |
| Tue 24 | | Cloudy. | Max 25℃ Min 9℃ |
| Wed 25 | | Cloudy. | Max 22℃ Min 9℃ |
| Thu 26 | | Cloudy. | Max 18℃ Min 7℃ |
| Fri 27 | | Cloudy. | Max 19℃ Min 6℃ |
| Sat 28 | | Clear sky. | Max 25℃ Min 5℃ |
| Sun 29 | | Clear sky. | Max 27℃ Min 10℃ |
| Mon 30 | | Clear spells. | Max 24℃ Min 9℃ |
| Tue 01 | | Clear sky. | Max 20℃ Min 5℃ |
| Wed 02 | | Clear sky. | Max 24℃ Min 5℃ |
| Thu 03 | | Clear sky. | Max 24℃ Min 9℃ |
| Fri 04 | | Clear sky. | Max 22℃ Min 8℃ |
| Sat 05 | | Clear sky. | Max 28℃ Min 6℃ |
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 20:32 NZST, next update expected imminently.
Snow Forecast near Willamette Pass
| Snow Report and Forecast | 48 Hr | Fri | Sat | Sun | Mon | Tue | Wed | Thu | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 6cm | 6cm |