Willamette Pass 48-Hour Snow Forecast
Updated 27 October 2026 18:49 NZDT
2-Day Forecast for Willamette Pass
48-hours from 27 October.
See below for forecast detail
Willamette Pass Snow Forecast updated at 18:49 NZDT, next update expected 00:00 NZDT.
Forecast for today in Willamette Pass
Max 2℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 2℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
27
4cm New Snow
Cloudy first, snow showers then cloudy, snow showers later.
Snow falling to resort level (1,561m).
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 2℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 2℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
28
3cm to 4cm New Snow
Snow showers, cloudy, snow showers later.
Snow falling to resort level (1,561m).
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? | |||
|---|---|---|---|---|---|---|---|
| Tue | 00:00 | | Cloudy. | 2℃ | NW Light | 15% | |
| Tue | 01:00 |  | Fog at altitude. Lt rain below. | 1℃ | NW Breeze | 25% | |
| Tue | 02:00 | | Fog at altitude. Lt rain below. | 1℃ | NW Breeze | 25% | |
| Tue | 03:00 | | Fog at altitude. Cloud below. | 1℃ | NW Breeze | 25% | |
| Tue | 04:00 |  | Fog. | 1℃ | NW Light | 20% | |
| Tue | 05:00 | | Fog at altitude. Cloud below. | 1℃ | NW Light | 25% | |
| Tue | 06:00 | | Cloudy. | 1℃ | NW Light | 30% | |
| Tue | 07:00 | | Cloudy. | 2℃ | NW Light | 40% | |
| Tue | 08:00 | | Fog at altitude. Cloud below. | 1℃ | NW Light | 45% | |
| Tue | 09:00 | | Cloudy. | 1℃ | NW Light | 50% | |
| Tue | 10:00 | | Heavy snow showers at altitude. Lt rain below. | 1℃ | NW Light | 60% | |
| Tue | 11:00 | | Heavy snow showers. | 2℃ | NW Light | 65% | |
| Tue | 12:00 | | 1cm New Snow | Heavy snow at altitude. Hvy shwrs below. | 2℃ | NW Breeze | 70% |
| Tue | 13:00 | | Fog at altitude. Lt rain below. | 2℃ | NW Breeze | 55% | |
| Tue | 14:00 | | Cloudy at altitude. Lt rain below. | 2℃ | NW Breeze | 25% | |
| Tue | 15:00 | | up to 1cm New Snow | Heavy snow showers. | 1℃ | NW Breeze | 10% |
| Tue | 16:00 | | Fog at altitude. Cloud below. | 1℃ | NW Breeze | 5% | |
| Tue | 17:00 | | Fog. | 1℃ | NW Breeze | 10% | |
| Tue | 18:00 | | Heavy snow showers at altitude. Lt rain below. | 1℃ | NW Breeze | 10% | |
| Tue | 19:00 | | Fog at altitude. Cloud below. | 1℃ | NW Breeze | 15% | |
| Tue | 20:00 | | Fog. | 0℃ | NW Breeze | 20% | |
| Tue | 21:00 |  | 1cm New Snow | Heavy snow showers at altitude. Hvy rain below. | 0℃ | NW Breeze | 25% |
| Tue | 22:00 | | 1cm New Snow | Heavy snow showers. | 0℃ | NW Breeze | 15% |
| Tue | 23:00 | | Fog at altitude. Cloud below. | -1℃ | NW Breeze | 5% | |
| Wed | 00:00 | | Cloudy. | 0℃ | W Breeze | 0% | |
| Wed | 01:00 | | Fog at altitude. Cloud below. | -1℃ | W Breeze | 0% | |
| Wed | 02:00 | | Fog at altitude. Cloud below. | -1℃ | W Breeze | 0% | |
| Wed | 03:00 | | Fog at altitude. Cloud below. | -1℃ | W Breeze | 0% | |
| Wed | 04:00 | | Cloudy. | -1℃ | W Breeze | 0% | |
| Wed | 05:00 | | Cloudy. | -1℃ | W Breeze | 0% | |
| Wed | 06:00 | | Heavy snow showers. | -1℃ | W Breeze | 5% | |
| Wed | 07:00 | | Fog at altitude. Cloud below. | -1℃ | W Breeze | 10% | |
| Wed | 08:00 | | Fog at altitude. Cloud below. | -1℃ | W Breeze | 5% | |
| Wed | 09:00 | | Cloudy. | 0℃ | W Breeze | 10% | |
| Wed | 10:00 | | Cloudy at altitude. Hvy shwrs below. | 0℃ | W Breeze | 15% | |
| Wed | 11:00 | | Heavy snow showers. | 0℃ | W Breeze | 40% | |
| Wed | 12:00 | | Fog at altitude. Cloud below. | 0℃ | W Breeze | 40% | |
| Wed | 13:00 | | Cloudy. | 1℃ | W Breeze | 30% | |
| Wed | 14:00 | | up to 1cm New Snow | Heavy snow at altitude. Hvy shwrs below. | 0℃ | W Breeze | 30% |
| Wed | 15:00 | | 1cm New Snow | Heavy snow. | 0℃ | W Breeze | 30% |
| Wed | 16:00 | | 1cm New Snow | Heavy snow. | 1℃ | W Light | 30% |
| Wed | 17:00 | | Fog at altitude. Cloud below. | 2℃ | W Light | 30% | |
| Wed | 18:00 | | Fog at altitude. Cloud below. | 2℃ | W Light | 30% | |
| Wed | 19:00 | | Cloudy. | -1℃ | W Light | 15% | |
| Wed | 20:00 |  | Fair. | -3℃ | W Light | 15% | |
| Wed | 21:00 | | Clear spells. | -2℃ | W Light | 15% | |
| Wed | 22:00 | | Cloudy. | 0℃ | W Light | 15% | |
| Wed | 23:00 | | Clear spells. | -4℃ | W Light | 15% | |
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 | 2cm | 2cm |
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.
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.