Willamette Pass 48-Hour Snow Forecast
Updated 12 April 2026 21:45 AEST
Powder Alarm
Powder Alarm issued 13 April 2026 01:43 AEST
Powder Possible :- 10cm of Fresh Snow is forecast for Willamette Pass over the next 2 days.
2-Day Forecast for Willamette Pass
48-hours from 12 April.
See below for forecast detail
Willamette Pass Snow Forecast updated at 21:45 AEST, next update expected 03:00 AEST.
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) conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
5cm New Snow
Light drizzle early, then cloudy later.
Snow Line from 1,639m to resort level (1,561m).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Powder Alert!
Powder Alarm issued 13 April 2026 01:43 AEST
Powder Possible :- 10cm of Fresh Snow is forecast for Willamette Pass over the next 2 days.
Forecast for tomorrow in Willamette Pass
Max 1℃
Min -2℃
Valley temperatures from an overnight low of -2℃ to daytime highs around 1℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
4cm to 5cm New Snow
Heavy snow showers, cloudy, heavy snow showers later.
Snow falling to resort level (1,561m).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Sun | 00:00 | | Cloudy. | 2℃ | SW Breeze | 5% | |
| Sun | 01:00 | | Cloudy. | 2℃ | SW Breeze | 5% | |
| Sun | 02:00 | | Cloudy. | 1℃ | SW Breeze | 10% | |
| Sun | 03:00 | | Cloudy. | 2℃ | SW Breeze | 10% | |
| Sun | 04:00 | | Cloudy. | 2℃ | SW Breeze | 15% | |
| Sun | 05:00 | | Cloudy. | 1℃ | SW Breeze | 10% | |
| Sun | 06:00 | | Cloudy. | 1℃ | SW Breeze | 10% | |
| Sun | 07:00 | | Cloudy. | 1℃ | SW Light | 10% | |
| Sun | 08:00 | | Cloudy. | 1℃ | SW Light | 15% | |
| Sun | 09:00 | | Cloudy. | 2℃ | SW Light | 15% | |
| Sun | 10:00 | | Cloudy. | 2℃ | SW Light | 15% | |
| Sun | 11:00 | | Cloudy. | 3℃ | SW Light | 15% | |
| Sun | 12:00 | | Cloudy. | 4℃ | SW Light | 15% | |
| Sun | 13:00 | | Cloudy. | 3℃ | SW Breeze | 10% | |
| Sun | 14:00 | | Cloudy. | 4℃ | SW Light | 10% | |
| Sun | 15:00 | | Cloudy. | 5℃ | SW Light | 15% | |
| Sun | 16:00 | | Cloudy. | 5℃ | SW Light | 20% | |
| Sun | 17:00 | | Cloudy. | 4℃ | SW Light | 15% | |
| Sun | 18:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy rain below. | 3℃ | SW Breeze | 25% |
| Sun | 19:00 | | 1cm New Snow | Heavy snow showers. | 2℃ | SW Breeze | 40% |
| Sun | 20:00 |  | 2cm New Snow | Heavy snow. | 1℃ | SW Light | 40% |
| Sun | 21:00 | | 1cm to 2cm New Snow | Heavy snow. | 0℃ | SW Breeze | 30% |
| Sun | 22:00 | | Light snow at altitude. Hvy shwrs below. | 0℃ | SW Light | 30% | |
| Sun | 23:00 | | Cloudy. | 1℃ | SW Breeze | 40% | |
| Mon | 00:00 | | Cloudy. | 1℃ | NW Breeze | 45% | |
| Mon | 01:00 | | Cloudy. | 0℃ | NW Breeze | 45% | |
| Mon | 02:00 | | Cloudy. | 0℃ | NW Breeze | 45% | |
| Mon | 03:00 | | Fog at altitude. Cloud below. | 0℃ | NW Breeze | 45% | |
| Mon | 04:00 | | Heavy snow showers. | 0℃ | NW Breeze | 45% | |
| Mon | 05:00 | | Heavy snow showers. | 0℃ | NW Breeze | 50% | |
| Mon | 06:00 | | up to 1cm New Snow | Heavy snow showers. | 0℃ | NW Breeze | 50% |
| Mon | 07:00 | | up to 1cm New Snow | Heavy snow showers. | 0℃ | NW Breeze | 45% |
| Mon | 08:00 | | Heavy snow showers. | 0℃ | NW Breeze | 45% | |
| Mon | 09:00 | | Heavy snow showers. | 0℃ | NW Breeze | 35% | |
| Mon | 10:00 | | Heavy snow showers. | 0℃ | NW Breeze | 20% | |
| Mon | 11:00 | | Light snow at altitude. Hvy shwrs below. | 0℃ | NW Breeze | 20% | |
| Mon | 12:00 | | Light snow at altitude. Hvy shwrs below. | 0℃ | NW Breeze | 25% | |
| Mon | 13:00 | | Heavy snow showers. | 0℃ | NW Light | 25% | |
| Mon | 14:00 | | Fog at altitude. Hvy shwrs below. | 0℃ | NW Breeze | 20% | |
| Mon | 15:00 |  | Fog. | 0℃ | NW Light | 25% | |
| Mon | 16:00 | | Fog. | 1℃ | NW Light | 15% | |
| Mon | 17:00 | | Heavy snow showers. | 0℃ | NW Light | 85% | |
| Mon | 18:00 | | Heavy snow showers. | 0℃ | NW Light | 85% | |
| Mon | 19:00 | | Heavy snow showers. | 0℃ | NW Breeze | 50% | |
| Mon | 20:00 | | Fog at altitude. Cloud below. | 0℃ | NW Light | 50% | |
| Mon | 21:00 | | Fog. | 0℃ | NW Light | 50% | |
| Mon | 22:00 | | Cloudy. | -1℃ | NW Light | 50% | |
| Mon | 23:00 | | Cloudy. | -2℃ | NW Light | 50% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 2cm | 12cm |
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.
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.