Willamette Pass Snow Forecast - 7 day
Snow Forecast for Willamette Pass
When will there be fresh snow?
This is the 7-Day Snow Forecast for Willamette Pass, United States for 7 days from 20 June.
Updated 21 June 2025 06:33 AEST.
| Next Snow Expected | 20 June |
|---|---|
| Next Snow Amount | 4cm |
| Next 48 Hours | 17cm |
| Next 7 Days | 17cm |
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For Forecast detail, see below.
Forecast for Willamette Pass
Willamette Pass has 17cm new snow forecast in the next 48 hours.
Willamette Pass 7-Day Snow Forecast Overview
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| Fri 20 | Sat 21 | Sun 22 | Mon 23 | Tue 24 | Wed 25 | Thu 26 | |
|---|---|---|---|---|---|---|---|
| Wind | NW F3 | NW F3 | SW F2 | NW F2 | |||
| 2,037m | 10℃
 +4cm
| 0℃
 +10cm
| 12℃
+3cm
| 20℃
 | 22℃
| 19℃
 | 15℃
|
| NW F3 | NW F3 | SW F2 | NW F2 | ||||
| 1,799m | 11℃
+4cm
| 2℃
+9cm
| 13℃
 +2cm
| 21℃
| 23℃
| 21℃
| 17℃
|
| NW F3 | NW F3 | SW F2 | NW F2 | NW F2 | |||
| 1,561m | 13℃
| 4℃
+4cm
| 15℃
 | 23℃
| 26℃
| 22℃
| 18℃
|
| Snow Line | varying 1,659m | varying 1,719m | varying 1,789m | ||||
| Max Town | 13℃ | 4℃ | 15℃ | 23℃ | 26℃ | 22℃ | 18℃ |
| Min Town | 1℃ | -1℃ | 2℃ | 4℃ | 9℃ | 9℃ | 9℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Willamette Pass Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 13℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
20
up to 4cm New Snow
Cloudy.
Snow Line from 1,659m to resort level.
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.
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.
Max 23℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 23℃
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Clear sky.
Max 26℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 26℃
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Cloudy, clear spells, clear sky later.
Max 22℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 22℃
Temperature at BaseTemp at Base
Wed
25
Snow unlikely
Cloudy.
Max 18℃
Min 9℃
Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃
Temperature at BaseTemp at Base
Thu
26
Snow unlikely
Cloudy early, then clear sky later.
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.
Willamette Pass Snow Forecast updated at 06:33 AEST, next update expected 12:00 AEST.
Snow Forecast near Willamette Pass
| Snow Report and Forecast | 48 Hr | Fri | Sat | Sun | Mon | Tue | Wed | Thu | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Diamond Peak | 3cm | 3cm |