Willamette Pass 48-Hour Snow Forecast
Updated 21 March 2026 00:42 NZDT
2-Day Forecast for Willamette Pass
48-hours from 20 March.
See below for forecast detail
Willamette Pass Snow Forecast updated at 00:42 NZDT, next update expected imminently.
Forecast for today in Willamette Pass
Max 15℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 15℃
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Clear sky, clear spells, cloudy later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 8℃
Min -1℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 8℃
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Cloudy early, then fog later.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Partner Offers
48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Fri | 00:00 | | Clear sky. | 8℃ | W Calm | 0% | |
| Fri | 01:00 | | Clear sky. | 8℃ | W Light | 0% | |
| Fri | 02:00 | | Clear sky. | 7℃ | W Calm | 0% | |
| Fri | 03:00 | | Clear sky. | 7℃ | W Light | 0% | |
| Fri | 04:00 | | Clear sky. | 6℃ | W Light | 0% | |
| Fri | 05:00 | | Clear sky. | 6℃ | W Light | 0% | |
| Fri | 06:00 | | Cloudy at altitude. Mixed below. | 6℃ | W Light | 0% | |
| Fri | 07:00 | | Cloudy at altitude. Mixed below. | 6℃ | W Light | 0% | |
| Fri | 08:00 | | Cloudy. | 7℃ | W Light | 0% | |
| Fri | 09:00 | | Cloudy. | 7℃ | W Light | 0% | |
| Fri | 10:00 | | Clear spells. | 9℃ | W Calm | 0% | |
| Fri | 11:00 | | Cloudy. | 12℃ | W Light | 0% | |
| Fri | 12:00 | | Cloudy. | 14℃ | W Light | 0% | |
| Fri | 13:00 | | Cloudy. | 15℃ | W Breeze | 0% | |
| Fri | 14:00 | | Cloudy. | 15℃ | W Breeze | 0% | |
| Fri | 15:00 | | Cloudy. | 15℃ | W Breeze | 0% | |
| Fri | 16:00 | | Cloudy. | 15℃ | W Breeze | 0% | |
| Fri | 17:00 | | Cloudy. | 15℃ | W Breeze | 0% | |
| Fri | 18:00 | | Cloudy. | 13℃ | W Breeze | 0% | |
| Fri | 19:00 | | Cloudy. | 12℃ | W Breeze | 5% | |
| Fri | 20:00 | | Cloudy. | 10℃ | W Light | 5% | |
| Fri | 21:00 | | Cloudy. | 9℃ | W Light | 5% | |
| Fri | 22:00 | | Cloudy. | 9℃ | W Light | 5% | |
| Fri | 23:00 | | Cloudy. | 8℃ | W Light | 5% | |
| Sat | 00:00 | | Cloudy. | 8℃ | SW Light | 5% | |
| Sat | 01:00 | | Cloudy. | 8℃ | SW Light | 5% | |
| Sat | 02:00 | | Cloudy. | 7℃ | SW Light | 10% | |
| Sat | 03:00 | | Cloudy. | 7℃ | SW Light | 10% | |
| Sat | 04:00 | | Cloudy. | 6℃ | SW Light | 25% | |
| Sat | 05:00 | | Fair at altitude. Clear below. | 6℃ | SW Calm | 35% | |
| Sat | 06:00 | | Clear spells at altitude. Cloud below. | 4℃ | SW Light | 40% | |
| Sat | 07:00 | | Fog. | 5℃ | SW Light | 25% | |
| Sat | 08:00 | | Fog. | 4℃ | SW Light | 20% | |
| Sat | 09:00 | | Fog. | 4℃ | SW Light | 15% | |
| Sat | 10:00 | | Fog. | 4℃ | SW Light | 10% | |
| Sat | 11:00 | | Fog. | 4℃ | SW Light | 5% | |
| Sat | 12:00 | | Fog. | 3℃ | SW Light | 5% | |
| Sat | 13:00 | | Fog. | 3℃ | SW Light | 0% | |
| Sat | 14:00 | | Cloudy at altitude. Fog below. | 3℃ | SW Light | 0% | |
| Sat | 15:00 | | Cloudy. | 4℃ | SW Breeze | 0% | |
| Sat | 16:00 | | Cloudy. | 3℃ | SW Breeze | 0% | |
| Sat | 17:00 | | Clear spells at altitude. Cloud below. | 3℃ | SW Breeze | 25% | |
| Sat | 18:00 | | Fair at altitude. Cloud below. | 3℃ | SW Breeze | 25% | |
| Sat | 19:00 | | Fair at altitude. Mixed below. | 2℃ | SW Breeze | 5% | |
| Sat | 20:00 | | Clear sky. | 1℃ | SW Breeze | 5% | |
| Sat | 21:00 | | Clear sky. | -1℃ | SW Light | 5% | |
| Sat | 22:00 | | Clear sky. | -1℃ | SW Light | 5% | |
| Sat | 23:00 | | Fair. | -1℃ | SW Light | 5% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | 4cm |
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.
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.