Willamette Pass 48-Hour Snow Forecast
Updated 31 October 2026 12:40 CDT
2-Day Forecast for Willamette Pass
48-hours from 31 October.
See below for forecast detail
Willamette Pass Snow Forecast updated at 12:40 CDT, next update expected 18:00 CDT.
Forecast for today in Willamette Pass
Max 7℃
Min -3℃
Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 7℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 3cm New Snow
Cloudy first, clear sky then clear spells, cloudy later.
Snow falling to 1,769m, with rain below.
Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.
Forecast for tomorrow in Willamette Pass
Max 7℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 7℃
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Cloudy early, then clear sky later.
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? | |||
|---|---|---|---|---|---|---|---|
| Sat | 00:00 | | Clear sky. | -1℃ | SE Light | 0% | |
| Sat | 01:00 | | Clear sky. | -2℃ | SE Light | 0% | |
| Sat | 02:00 | | Clear sky. | -2℃ | SE Breeze | 0% | |
| Sat | 03:00 | | Clear sky. | -2℃ | SE Light | 0% | |
| Sat | 04:00 | | Clear sky. | -2℃ | SE Breeze | 0% | |
| Sat | 05:00 | | Clear sky. | -2℃ | SE Breeze | 0% | |
| Sat | 06:00 | | Clear sky. | -2℃ | SE Breeze | 0% | |
| Sat | 07:00 | | Clear spells. | -3℃ | SE Breeze | 0% | |
| Sat | 08:00 | | Cloudy. | -3℃ | SE Breeze | 0% | |
| Sat | 09:00 | | Fair at altitude. Mixed below. | -3℃ | SE Breeze | 0% | |
| Sat | 10:00 | | Clear spells. | -1℃ | SE Breeze | 0% | |
| Sat | 11:00 | | Clear sky. | 1℃ | SE Breeze | 0% | |
| Sat | 12:00 | | Cloudy. | 3℃ | SE Breeze | 0% | |
| Sat | 13:00 | | Cloudy. | 4℃ | SE Breeze | 0% | |
| Sat | 14:00 | | Cloudy. | 6℃ | SE Breeze | 0% | |
| Sat | 15:00 | | Cloudy. | 7℃ | SE Breeze | 10% | |
| Sat | 16:00 | | Cloudy. | 6℃ | SE Breeze | 20% | |
| Sat | 17:00 | | up to 3cm New Snow | Heavy snow at altitude. Hvy rain below. | 2℃ | SE Light | 30% |
| Sat | 18:00 | | Cloudy. | 3℃ | SE Light | 40% | |
| Sat | 19:00 |  | Cloudy at altitude. Fog below. | 2℃ | SE Light | 20% | |
| Sat | 20:00 | | Cloudy. | 2℃ | SE Light | 25% | |
| Sat | 21:00 | | Clear spells at altitude. Cloud below. | 2℃ | SE Light | 40% | |
| Sat | 22:00 | | Cloudy. | 1℃ | SE Light | 45% | |
| Sat | 23:00 | | Cloudy. | 1℃ | SE Light | 30% | |
| Sun | 00:00 | | Cloudy. | 1℃ | S Light | 20% | |
| Sun | 01:00 | | Cloudy. | 1℃ | S Light | 15% | |
| Sun | 01:00 | | Cloudy. | 1℃ | S Light | 10% | |
| Sun | 02:00 | | Cloudy. | 1℃ | S Light | 10% | |
| Sun | 03:00 | | Fair. | 0℃ | S Light | 5% | |
| Sun | 04:00 | | Clear sky. | 0℃ | S Light | 5% | |
| Sun | 05:00 | | Clear sky. | 0℃ | S Light | 5% | |
| Sun | 06:00 | | Clear sky. | 0℃ | S Light | 5% | |
| Sun | 07:00 | | Clear sky. | 0℃ | S Light | 5% | |
| Sun | 08:00 | | Clear sky. | 0℃ | S Light | 0% | |
| Sun | 09:00 | | Clear sky. | 2℃ | S Light | 0% | |
| Sun | 10:00 | | Clear sky. | 4℃ | S Light | 0% | |
| Sun | 11:00 | | Clear sky. | 5℃ | S Light | 0% | |
| Sun | 12:00 | | Fair at altitude. Clear below. | 6℃ | S Light | 0% | |
| Sun | 13:00 | | Clear spells. | 6℃ | S Light | 0% | |
| Sun | 14:00 | | Fair at altitude. Clear below. | 7℃ | S Light | 0% | |
| Sun | 15:00 | | Fair. | 6℃ | S Light | 0% | |
| Sun | 16:00 | | Clear spells at altitude. Fair below. | 6℃ | S Light | 0% | |
| Sun | 17:00 | | Clear sky. | 5℃ | S Light | 0% | |
| Sun | 18:00 | | Clear sky. | 3℃ | S Light | 0% | |
| Sun | 19:00 | | Clear sky. | 2℃ | S Light | 0% | |
| Sun | 20:00 | | Clear sky. | 2℃ | S Light | 0% | |
| Sun | 21:00 | | Clear sky. | 1℃ | S Light | 0% | |
| Sun | 22:00 | | Cloudy. | 1℃ | S Light | 0% | |
Snow Forecast near Willamette Pass
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | - | 1cm |
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.