Willamette Pass 48-Hour Snow Forecast
48-hour Forecast for Willamette Pass (1,561m to 2,037m)
This is the 48-hour (2-Day) Snow Forecast for Willamette Pass, United States for 2 days from 21 June.
Updated 21 June 2025 06:33 AEST.
Willamette Pass has 12cm new snow forecast in the next 48 hours.
See below for the detailed Weather and Snow outlook.
Willamette Pass Snow Forecast updated at 06:33 AEST, next update expected 12:00 AEST.
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Forecast for today in Willamette Pass
Max 4℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 4℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
21
4cm to 10cm New Snow
Heavy snow showers first, snow showers then fog, cloudy later.
Snow Line from 1,719m to resort level.
Willamette Pass has 12cm new snow forecast in the next 48 hours.
Forecast for tomorrow in Willamette Pass
Max 15℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 15℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
22
up to 3cm New Snow
Clear spells first, light drizzle then fog, cloudy later.
Snow Line from 1,789m to 1,579m, with rain below.
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sat | 00:00 |  | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 3℃ | NW Breeze | 70% |
| Sat | 01:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ | NW Breeze | 65% | |
| Sat | 02:00 | | up to 2cm New Snow | Heavy snow at altitude. Hvy rain below. | 2℃ | NW Breeze | 70% |
| Sat | 03:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 1℃ | NW Breeze | 65% |
| Sat | 04:00 |  | 2cm New Snow | Heavy snow. | 0℃ | NW Breeze | 45% |
| Sat | 05:00 | | Heavy snow showers. | 0℃ | NW Breeze | 55% | |
| Sat | 06:00 | | Fog. | 0℃ | NW Breeze | 55% | |
| Sat | 07:00 | | Heavy snow showers. | 0℃ | NW Breeze | 50% | |
| Sat | 08:00 |  | Clear spells. | 0℃ | NW Breeze | 45% | |
| Sat | 09:00 |  | Clear spells at altitude. Lt rain below. | 0℃ | NW Breeze | 45% | |
| Sat | 10:00 | | Heavy snow showers. | -1℃ | NW Breeze | 40% | |
| Sat | 11:00 | | Clear spells at altitude. Fog below. | 0℃ | NW Breeze | 35% | |
| Sat | 12:00 | | Fog at altitude. Cloud below. | 0℃ | NW Breeze | 30% | |
| Sat | 13:00 | | Fog at altitude. Cloud below. | 0℃ | NW Breeze | 30% | |
| Sat | 14:00 | | Fog. | 0℃ | NW Breeze | 25% | |
| Sat | 15:00 | | Fog. | 0℃ | NW Breeze | 25% | |
| Sat | 16:00 | | Cloudy at altitude. Fog below. | 1℃ | NW Breeze | 30% | |
| Sat | 17:00 | | Fog at altitude. Cloud below. | 2℃ | NW Breeze | 30% | |
| Sat | 18:00 | | Cloudy. | 3℃ | NW Breeze | 30% | |
| Sat | 19:00 | | Light snow at altitude. Drizzle below. | 3℃ | NW Breeze | 45% | |
| Sat | 20:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | NW Breeze | 55% | |
| Sat | 21:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | NW Breeze | 65% | |
| Sat | 22:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | NW Breeze | 65% |
| Sat | 23:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 4℃ | NW Breeze | 70% |
| Sun | 00:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | SW Breeze | 70% |
| Sun | 01:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 3℃ | SW Breeze | 65% | |
| Sun | 02:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ | SW Breeze | 60% | |
| Sun | 03:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ | SW Breeze | 50% | |
| Sun | 04:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ | SW Breeze | 45% | |
| Sun | 05:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ | SW Breeze | 35% | |
| Sun | 06:00 | | Light snow at altitude. Lt rain below. | 2℃ | SW Breeze | 35% | |
| Sun | 07:00 | | Light snow at altitude. Lt rain below. | 2℃ | SW Breeze | 65% | |
| Sun | 08:00 | | Snow at altitude. Rain below. | 2℃ | SW Breeze | 65% | |
| Sun | 09:00 | | Light snow at altitude. Lt drizzle below. | 2℃ | SW Breeze | 65% | |
| Sun | 10:00 | | Light snow at altitude. Lt rain below. | 2℃ | SW Breeze | 65% | |
| Sun | 11:00 | | Light snow at altitude. Lt rain below. | 3℃ | SW Breeze | 65% | |
| Sun | 12:00 | | Light snow at altitude. Lt rain below. | 3℃ | SW Light | 65% | |
| Sun | 13:00 | | Fog. | 3℃ | SW Light | 35% | |
| Sun | 14:00 | | Fog. | 3℃ | SW Light | 35% | |
| Sun | 15:00 | | Fog. | 4℃ | SW Light | 35% | |
| Sun | 16:00 | | Fog. | 4℃ | SW Light | 35% | |
| Sun | 17:00 | | Cloudy. | 4℃ | SW Light | 35% | |
| Sun | 18:00 | | Cloudy. | 6℃ | SW Light | 35% | |
| Sun | 19:00 | | Cloudy. | 9℃ | SW Light | 10% | |
| Sun | 20:00 | | Cloudy. | 10℃ | SW Light | 10% | |
| Sun | 21:00 | | Cloudy. | 11℃ | SW Light | 10% | |
| Sun | 22:00 | | Cloudy at altitude. Mixed below. | 15℃ | SW Light | 10% | |
| Sun | 23:00 |  | Clear sky. | 15℃ | SW Light | 10% | |
Snow Forecast near Willamette Pass
| Snow Report and Forecast | 48 Hr | Sat | Sun | Mon | Tue | Wed | Thu | Fri | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 3cm | 3cm |
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.