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Willamette Pass Snow Forecast - 48 hour - 31st October 2026

Willamette Pass 48-Hour Snow Forecast

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GEM
GFS

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Updated 30 October 2026 23:49 GMT

2-Day Forecast for Willamette Pass

48-hours from 31 October.

See below for forecast detail

Willamette Pass Snow Forecast updated at 23:49 GMT, next update expected 05:00 GMT.

Forecast for today in Willamette Pass

Max 6℃ 42°F
Min -1℃ 30°F

Freeze-thaw conditions, with valley temperatures cooling to -1℃ 30°F and rising to 6℃ 42°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
31

4cm to 7cm 2in to 3in New Snow

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

Snow Line from 1,739m 5,705ft to resort level ( 1,561m 5,121ft ).

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

Forecast for tomorrow in Willamette Pass

Max 6℃ 42°F
Min -1℃ 29°F

Freeze-thaw conditions, with valley temperatures cooling to -1℃ 29°F and rising to 6℃ 42°F

Temperature at BaseTemp at Base

Sun
01

Snow unlikely

FogFogCloudCloud

Fog early, then cloudy later.

Forecast times for Willamette Pass are in Denver (US/Mountain) time zone.

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Willamette Pass from OpenMeteo(GFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sat00:00Clear

Clear sky. 0℃ 31°F S
Light
0%
Sat01:00Clear

Clear sky. 0℃ 31°F S
Breeze
0%
Sat02:00Clear

Clear sky. 0℃ 31°F S
Breeze
0%
Sat03:00Clear

Clear sky. 0℃ 31°F S
Breeze
0%
Sat04:00Fair

Fair. -1℃ 31°F S
Breeze
0%
Sat05:00Cloud

Cloudy. -1℃ 31°F S
Breeze
0%
Sat06:00Cloud

Cloudy. -1℃ 30°F S
Breeze
0%
Sat07:00Cloud

Cloudy. -1℃ 31°F S
Breeze
0%
Sat08:00Cloud

Cloudy. 0℃ 32°F S
Breeze
0%
Sat09:00Cloud

Cloudy. 0℃ 32°F S
Breeze
0%
Sat10:00Cloud

Cloudy. 1℃ 34°F S
Breeze
0%
Sat11:00Cloud

Cloudy. 3℃ 37°F S
Breeze
0%
Sat12:00Cloud

Cloudy. 4℃ 40°F S
Breeze
0%
Sat13:00Cloud

Cloudy. 6℃ 42°F S
Light
0%
Sat14:00Cloud

up to 3cm up to 1in New Snow
Snow falling to 1,739m 5,705ft , with rain below.

Heavy snow at altitude.
Hvy rain below.
3℃ 37°F S
Breeze
10%
Sat15:00Mixed

Heavy snow showers at altitude.
Hvy shwrs below.
3℃ 38°F S
Light
20%
Sat16:00Hvy Snow

1cm to 3cm up to 1in New Snow
Snow falling to resort level ( 1,561m 5,121ft ).

Heavy snow. 1℃ 34°F S
Breeze
25%
Sat17:00Hvy Snow

1cm New Snow
Snow falling to resort level ( 1,561m 5,121ft ).

Heavy snow. 1℃ 35°F S
Light
25%
Sat18:00Light Snow

Heavy snow showers at altitude.
Lt rain below.
1℃ 34°F S
Light
30%
Sat19:00Snow

Heavy snow showers. 1℃ 33°F S
Light
30%
Sat20:00Cloud

Cloudy. 1℃ 33°F S
Light
25%
Sat21:00Fog

Cloudy at altitude.
Fog below.
0℃ 33°F S
Light
20%
Sat22:00Fog

Fog. 0℃ 32°F S
Light
25%
Sat23:00Fog

Fog. 0℃ 32°F S
Light
25%
Sun00:00Fog

Fog. 0℃ 32°F NW
Light
20%
Sun01:00Fog

Fog. 0℃ 32°F NW
Light
10%
Sun01:00Cloud

Fog at altitude.
Cloud below.
1℃ 33°F NW
Light
10%
Sun02:00Fog

Fog. 0℃ 33°F NW
Light
5%
Sun03:00Fog

Fog. 0℃ 32°F NW
Light
5%
Sun04:00Fog

Fog. 0℃ 33°F NW
Light
20%
Sun05:00Fog

Fog. 0℃ 32°F NW
Light
20%
Sun06:00Fog

Fog. 0℃ 31°F NW
Light
0%
Sun07:00Fog

Fog. 0℃ 32°F NW
Light
0%
Sun08:00Cloud

Fog at altitude.
Cloud below.
0℃ 32°F NW
Light
0%
Sun09:00Cloud

Fog at altitude.
Cloud below.
1℃ 33°F NW
Light
0%
Sun10:00Cloud

Clear spells at altitude.
Cloud below.
2℃ 36°F NW
Light
0%
Sun11:00Fair

Clear spells at altitude.
Fair below.
3℃ 38°F NW
Light
0%
Sun12:00Cloud

Cloudy. 4℃ 39°F NW
Light
0%
Sun13:00Cloud

Cloudy. 5℃ 40°F NW
Light
0%
Sun14:00Cloud

Cloudy. 5℃ 42°F NW
Light
0%
Sun15:00Mixed

Clear spells. 6℃ 42°F NW
Light
0%
Sun16:00Fair

Fair. 5℃ 42°F NW
Light
0%
Sun17:00Clear

Clear sky. 4℃ 40°F NW
Light
0%
Sun18:00Clear

Clear sky. 0℃ 32°F NW
Light
0%
Sun19:00Clear

Clear sky. -1℃ 30°F NW
Light
0%
Sun20:00Clear

Clear sky. -1℃ 29°F NW
Calm
0%
Sun21:00Clear

Clear sky. -1℃ 30°F NW
Light
0%
Sun22:00Clear

Clear sky. -1℃ 30°F NW
Light
0%

Snow Forecast near Willamette Pass

Snow forecasts for nearby ski areas.

Snow Forecasts for Ski Resorts near Willamette Pass
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Diamond Peak 2cm 1in 4cm 2in

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.