Willamette Pass 48-Hour Snow Forecast
Updated 26 May 2026 12:40 NZST
2-Day Forecast for Willamette Pass
48-hours from 26 May.
See below for forecast detail
Willamette Pass Snow Forecast updated at 12:40 NZST, next update expected 18:00 NZST.
Forecast for today in Willamette Pass
Max 5℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 5℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
26
1cm New Snow
Drizzle early, then cloudy later.
Snow Line from 1,689m to resort level (1,561m).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 14℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 14℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
27
Snow unlikely
Cloudy.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Partner Offers
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Tue | 00:00 | | Fog at altitude. Cloud below. | 1℃ | NW Breeze | 35% | |
| Tue | 01:00 |  | Cloudy at altitude. Fog below. | 1℃ | NW Light | 35% | |
| Tue | 02:00 | | Cloudy. | 1℃ | NW Breeze | 25% | |
| Tue | 03:00 | | Cloudy. | 0℃ | NW Breeze | 30% | |
| Tue | 04:00 | | Cloudy. | 0℃ | NW Light | 30% | |
| Tue | 05:00 |  | Cloudy at altitude. Hvy shwrs below. | 0℃ | NW Light | 35% | |
| Tue | 06:00 | | Fog at altitude. Hvy shwrs below. | 0℃ | NW Light | 35% | |
| Tue | 07:00 | | Fog at altitude. Cloud below. | 0℃ | NW Light | 15% | |
| Tue | 08:00 | | Cloudy. | 0℃ | NW Light | 10% | |
| Tue | 09:00 | | Cloudy. | 1℃ | NW Light | 5% | |
| Tue | 10:00 | | Cloudy. | 1℃ | NW Light | 5% | |
| Tue | 11:00 | | Cloudy. | 1℃ | NW Light | 10% | |
| Tue | 12:00 | | Cloudy. | 3℃ | NW Light | 20% | |
| Tue | 13:00 | | Cloudy. | 3℃ | NW Light | 15% | |
| Tue | 14:00 | | Cloudy. | 4℃ | NW Light | 15% | |
| Tue | 15:00 | | Cloudy. | 4℃ | NW Light | 15% | |
| Tue | 16:00 | | Cloudy. | 5℃ | NW Breeze | 20% | |
| Tue | 17:00 | | Cloudy. | 4℃ | NW Breeze | 30% | |
| Tue | 18:00 | | Clear spells at altitude. Cloud below. | 5℃ | NW Breeze | 30% | |
| Tue | 19:00 | | Cloudy. | 5℃ | NW Breeze | 40% | |
| Tue | 20:00 |  | Light snow at altitude. Lt rain below. | 3℃ | NW Light | 40% | |
| Tue | 21:00 | | Cloudy. | 3℃ | NW Breeze | 30% | |
| Tue | 22:00 | | Cloudy. | 3℃ | NW Light | 20% | |
| Tue | 23:00 | | Cloudy. | 3℃ | NW Breeze | 20% | |
| Wed | 00:00 | | Cloudy. | 3℃ | SW Breeze | 25% | |
| Wed | 01:00 | | Cloudy. | 3℃ | SW Breeze | 15% | |
| Wed | 02:00 | | Cloudy. | 2℃ | SW Breeze | 20% | |
| Wed | 03:00 | | Cloudy. | 2℃ | SW Breeze | 25% | |
| Wed | 04:00 | | Cloudy. | 2℃ | SW Breeze | 25% | |
| Wed | 05:00 | | Light snow at altitude. Lt drizzle below. | 3℃ | SW Breeze | 30% | |
| Wed | 06:00 |  | Heavy snow showers at altitude. Lt rain below. | 3℃ | SW Breeze | 45% | |
| Wed | 07:00 | | Light drizzle. | 4℃ | SW Breeze | 50% | |
| Wed | 08:00 | | Clear spells at altitude. Cloud below. | 5℃ | SW Breeze | 50% | |
| Wed | 09:00 | | Cloudy. | 5℃ | SW Breeze | 50% | |
| Wed | 10:00 | | Cloudy. | 5℃ | SW Breeze | 50% | |
| Wed | 11:00 | | Light drizzle. | 5℃ | SW Light | 50% | |
| Wed | 12:00 | | Cloudy. | 5℃ | SW Light | 50% | |
| Wed | 13:00 | | Fog. | 5℃ | SW Light | 10% | |
| Wed | 14:00 | | Fog. | 6℃ | SW Light | 10% | |
| Wed | 15:00 | | Cloudy. | 8℃ | SW Light | 10% | |
| Wed | 16:00 | | Cloudy. | 11℃ | SW Light | 10% | |
| Wed | 17:00 | | Cloudy. | 12℃ | SW Light | 10% | |
| Wed | 18:00 | | Light drizzle. | 13℃ | SW Light | 10% | |
| Wed | 19:00 | | Drizzle. | 14℃ | SW Light | 30% | |
| Wed | 20:00 | | Light drizzle. | 11℃ | SW Light | 30% | |
| Wed | 21:00 | | Light drizzle. | 9℃ | SW Light | 30% | |
| Wed | 22:00 | | Light drizzle. | 7℃ | SW Light | 30% | |
| Wed | 23:00 | | Drizzle. | 8℃ | SW Light | 30% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Tu | We | Th | Fr | Sa | Su | Mo |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 1cm | 1cm |
Willamette Pass Snow
For current snow depths and skiing conditions, see our Current Snow Report for Willamette Pass.
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.
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.