Willamette Pass 48-Hour Snow Forecast
48-hour Forecast for Willamette Pass (5,121ft to 6,683ft)
This is the 48-hour (2-Day) Snow Forecast for Willamette Pass, United States for 2 days from 18 May.
Updated 18 May 2025 01:34 PDT.
Willamette Pass has 1in new snow forecast in the next 48 hours.
See below for the detailed Weather and Snow outlook.
Willamette Pass Snow Forecast updated at 01:34 PDT, next update expected imminently.
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Forecast for today in Willamette Pass
Max 39°F
Min 30°F
Freeze-thaw conditions, with valley temperatures cooling to 30°F and rising to 39°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
18
up to 1in New Snow
Snow showers early, then cloudy later.
Snow falling to resort level.
Willamette Pass has 1in new snow forecast in the next 48 hours.
Forecast for tomorrow in Willamette Pass
Max 43°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 43°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Mon
19
Snow unlikely
Cloudy, light rain showers, fog later.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sun | 00:00 | | Fog at altitude. Cloud below. | 35°F | NW Breeze | 35% | |
| Sun | 01:00 | | Light snow at altitude. Lt rain below. | 38°F | NW Breeze | 45% | |
| Sun | 02:00 |  | Light snow at altitude. Lt drizzle below. | 36°F | NW Breeze | 45% | |
| Sun | 03:00 |  | Light snow. | 34°F | NW Breeze | 35% | |
| Sun | 04:00 | | Light snow. | 33°F | NW Breeze | 35% | |
| Sun | 05:00 | | Light snow. | 33°F | NW Breeze | 30% | |
| Sun | 06:00 | | Fog at altitude. Lt rain below. | 32°F | NW Breeze | 20% | |
| Sun | 07:00 | | Fog at altitude. Lt rain below. | 32°F | NW Breeze | 20% | |
| Sun | 08:00 | | Fog at altitude. Cloud below. | 31°F | NW Breeze | 15% | |
| Sun | 09:00 |  | Fog. | 31°F | NW Breeze | 15% | |
| Sun | 10:00 |  | Fog at altitude. Mixed below. | 31°F | NW Breeze | 10% | |
| Sun | 11:00 | | Fog. | 31°F | NW Breeze | 10% | |
| Sun | 12:00 | | Clear spells at altitude. Fog below. | 31°F | NW Breeze | 5% | |
| Sun | 13:00 | | Clear spells. | 30°F | NW Breeze | 10% | |
| Sun | 14:00 | | Fog at altitude. Cloud below. | 31°F | NW Breeze | 10% | |
| Sun | 15:00 | | Fog. | 31°F | NW Breeze | 15% | |
| Sun | 16:00 | | Fog at altitude. Cloud below. | 32°F | NW Breeze | 10% | |
| Sun | 17:00 | | Fog at altitude. Cloud below. | 34°F | NW Breeze | 5% | |
| Sun | 18:00 | | Cloudy at altitude. Mixed below. | 36°F | NW Breeze | 5% | |
| Sun | 19:00 | | Cloudy. | 36°F | NW Breeze | 0% | |
| Sun | 20:00 | | Fog at altitude. Cloud below. | 35°F | NW Breeze | 5% | |
| Sun | 21:00 | | Cloudy at altitude. Mixed below. | 38°F | NW Breeze | 5% | |
| Sun | 22:00 | | Fog at altitude. Cloud below. | 37°F | NW Breeze | 5% | |
| Sun | 23:00 | | Cloudy at altitude. Fair below. | 39°F | NW Breeze | 0% | |
| Mon | 00:00 | | Fog at altitude. Mixed below. | 38°F | NW Breeze | 5% | |
| Mon | 01:00 | | Fog at altitude. Cloud below. | 36°F | NW Breeze | 5% | |
| Mon | 02:00 | | Fog at altitude. Mixed below. | 38°F | NW Light | 5% | |
| Mon | 03:00 | | Fog at altitude. Fair below. | 37°F | NW Light | 0% | |
| Mon | 04:00 | | Fog at altitude. Cloud below. | 36°F | NW Light | 0% | |
| Mon | 05:00 | | Fog at altitude. Cloud below. | 37°F | NW Light | 0% | |
| Mon | 06:00 | | Fog at altitude. Mixed below. | 36°F | NW Light | 0% | |
| Mon | 07:00 |  | Fog at altitude. Clear below. | 35°F | NW Light | 0% | |
| Mon | 08:00 | | Cloudy. | 35°F | NW Light | 0% | |
| Mon | 09:00 | | Light snow at altitude. Drizzle below. | 35°F | NW Light | 0% | |
| Mon | 10:00 | | Fog at altitude. Cloud below. | 36°F | NW Light | 0% | |
| Mon | 11:00 | | Fog at altitude. Cloud below. | 37°F | NW Light | 5% | |
| Mon | 12:00 | | Fog at altitude. Cloud below. | 38°F | NW Light | 5% | |
| Mon | 13:00 | | Fog at altitude. Cloud below. | 39°F | NW Light | 10% | |
| Mon | 14:00 |  | Heavy snow showers at altitude. Lt rain below. | 40°F | NW Light | 15% | |
| Mon | 15:00 | | Fog at altitude. Lt drizzle below. | 41°F | NW Breeze | 10% | |
| Mon | 16:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 41°F | NW Breeze | 20% | |
| Mon | 17:00 | | Fog. | 41°F | NW Breeze | 25% | |
| Mon | 18:00 | | Fog. | 41°F | NW Breeze | 25% | |
| Mon | 19:00 | | Light snow at altitude. Drizzle below. | 42°F | NW Breeze | 70% | |
| Mon | 20:00 | | Light snow at altitude. Lt drizzle below. | 42°F | NW Breeze | 70% | |
| Mon | 21:00 | | Light snow at altitude. Lt rain below. | 42°F | NW Breeze | 70% | |
| Mon | 22:00 | | Fog. | 42°F | NW Breeze | 70% | |
| Mon | 23:00 | | Fog at altitude. Cloud below. | 43°F | NW Breeze | 70% | |
Snow Forecast near Willamette Pass
Snow Forecasts for other Ski Resorts near Willamette Pass are not available.
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.