Willamette Pass 48-Hour Snow Forecast
Updated 30 October 2026 16:49 PDT
2-Day Forecast for Willamette Pass
48-hours from 31 October.
See below for forecast detail
Willamette Pass Snow Forecast updated at 16:49 PDT, next update expected 22:00 PDT.
Forecast for today in Willamette Pass
Max 42°F
Min 30°F
Freeze-thaw conditions, with valley temperatures cooling to 30°F and rising to 42°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
2in to 3in New Snow
Cloudy, clear sky, cloudy later.
Snow Line from 5,705ft to resort level (5,121ft).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 42°F
Min 29°F
Freeze-thaw conditions, with valley temperatures cooling to 29°F and rising to 42°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Fog early, then cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sat | 00:00 | | Clear sky. | 31°F | S Light | 0% | |
| Sat | 01:00 | | Clear sky. | 31°F | S Breeze | 0% | |
| Sat | 02:00 | | Clear sky. | 31°F | S Breeze | 0% | |
| Sat | 03:00 | | Clear sky. | 31°F | S Breeze | 0% | |
| Sat | 04:00 |  | Fair. | 31°F | S Breeze | 0% | |
| Sat | 05:00 | | Cloudy. | 31°F | S Breeze | 0% | |
| Sat | 06:00 | | Cloudy. | 30°F | S Breeze | 0% | |
| Sat | 07:00 | | Cloudy. | 31°F | S Breeze | 0% | |
| Sat | 08:00 | | Cloudy. | 32°F | S Breeze | 0% | |
| Sat | 09:00 | | Cloudy. | 32°F | S Breeze | 0% | |
| Sat | 10:00 | | Cloudy. | 34°F | S Breeze | 0% | |
| Sat | 11:00 | | Cloudy. | 37°F | S Breeze | 0% | |
| Sat | 12:00 | | Cloudy. | 40°F | S Breeze | 0% | |
| Sat | 13:00 | | Cloudy. | 42°F | S Light | 0% | |
| Sat | 14:00 | | up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 37°F | S Breeze | 10% |
| Sat | 15:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 38°F | S Light | 20% | |
| Sat | 16:00 |  | up to 1in New Snow | Heavy snow. | 34°F | S Breeze | 25% |
| Sat | 17:00 | | New Snow | Heavy snow. | 35°F | S Light | 25% |
| Sat | 18:00 |  | Heavy snow showers at altitude. Lt rain below. | 34°F | S Light | 30% | |
| Sat | 19:00 |  | Heavy snow showers. | 33°F | S Light | 30% | |
| Sat | 20:00 | | Cloudy. | 33°F | S Light | 25% | |
| Sat | 21:00 | | Cloudy at altitude. Fog below. | 33°F | S Light | 20% | |
| Sat | 22:00 | | Fog. | 32°F | S Light | 25% | |
| Sat | 23:00 | | Fog. | 32°F | S Light | 25% | |
| Sun | 00:00 | | Fog. | 32°F | NW Light | 20% | |
| Sun | 01:00 | | Fog. | 32°F | NW Light | 10% | |
| Sun | 01:00 | | Fog at altitude. Cloud below. | 33°F | NW Light | 10% | |
| Sun | 02:00 | | Fog. | 33°F | NW Light | 5% | |
| Sun | 03:00 | | Fog. | 32°F | NW Light | 5% | |
| Sun | 04:00 | | Fog. | 33°F | NW Light | 20% | |
| Sun | 05:00 | | Fog. | 32°F | NW Light | 20% | |
| Sun | 06:00 | | Fog. | 31°F | NW Light | 0% | |
| Sun | 07:00 | | Fog. | 32°F | NW Light | 0% | |
| Sun | 08:00 | | Fog at altitude. Cloud below. | 32°F | NW Light | 0% | |
| Sun | 09:00 | | Fog at altitude. Cloud below. | 33°F | NW Light | 0% | |
| Sun | 10:00 | | Clear spells at altitude. Cloud below. | 36°F | NW Light | 0% | |
| Sun | 11:00 | | Clear spells at altitude. Fair below. | 38°F | NW Light | 0% | |
| Sun | 12:00 | | Cloudy. | 39°F | NW Light | 0% | |
| Sun | 13:00 | | Cloudy. | 40°F | NW Light | 0% | |
| Sun | 14:00 | | Cloudy. | 42°F | NW Light | 0% | |
| Sun | 15:00 | | Clear spells. | 42°F | NW Light | 0% | |
| Sun | 16:00 | | Fair. | 42°F | NW Light | 0% | |
| Sun | 17:00 | | Clear sky. | 40°F | NW Light | 0% | |
| Sun | 18:00 | | Clear sky. | 32°F | NW Light | 0% | |
| Sun | 19:00 | | Clear sky. | 30°F | NW Light | 0% | |
| Sun | 20:00 | | Clear sky. | 29°F | NW Calm | 0% | |
| Sun | 21:00 | | Clear sky. | 30°F | NW Light | 0% | |
| Sun | 22:00 | | Clear sky. | 30°F | NW Light | 0% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 1in | 2in |
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 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.
How reliable is the snow in Willamette Pass?
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.