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Willamette Pass Snow Forecast - 48 hour - 23rd May 2026

Willamette Pass 48-Hour Snow Forecast

ECMWF IFS
GEM
GFS

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Updated 22 May 2026 16:41 PDT

2-Day Forecast for Willamette Pass

48-hours from 23 May.

See below for forecast detail

Willamette Pass Snow Forecast updated at 16:41 PDT, next update expected 22:00 PDT.

Forecast for today in Willamette Pass

Max 66°F
Min 44°F

Valley temperatures from an overnight low of 44°F to daytime highs around 66°F

Temperature at BaseTemp at Base

Sat
23

Snow unlikely

ClearClearCloudCloud

Clear sky early, then cloudy later.

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

Forecast for tomorrow in Willamette Pass

Max 70°F
Min 47°F

Valley temperatures from an overnight low of 47°F to daytime highs around 70°F

Temperature at BaseTemp at Base

Sun
24

Snow unlikely

CloudMixedMixedClear

Cloudy, clear spells, clear sky later.

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

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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.48°FSW
Light
0%
Sat01:00Clear

Clear sky.46°FSW
Light
0%
Sat02:00Clear

Clear sky.45°FSW
Light
0%
Sat03:00Clear

Clear sky.45°FSW
Light
0%
Sat04:00Fair

Fair.45°FSW
Light
0%
Sat05:00Cloud

Cloudy.45°FSW
Light
0%
Sat06:00Cloud

Cloudy.45°FSW
Light
0%
Sat07:00Cloud

Cloudy.44°FSW
Light
0%
Sat08:00Cloud

Cloudy.46°FSW
Light
0%
Sat09:00Cloud

Cloudy.53°FSW
Light
0%
Sat10:00Cloud

Cloudy.57°FSW
Light
0%
Sat11:00Cloud

Cloudy.60°FSW
Light
0%
Sat12:00Cloud

Cloudy.63°FSW
Light
0%
Sat13:00Cloud

Cloudy.64°FSW
Breeze
0%
Sat14:00Cloud

Cloudy.66°FSW
Breeze
0%
Sat15:00Mixed

Clear spells.66°FSW
Breeze
0%
Sat16:00Cloud

Cloudy.65°FSW
Breeze
0%
Sat17:00Mixed

Cloudy at altitude.
Mixed below.
64°FSW
Breeze
0%
Sat18:00Mixed

Clear spells.63°FSW
Breeze
0%
Sat19:00Mixed

Clear spells.62°FSW
Breeze
0%
Sat20:00Cloud

Cloudy.60°FSW
Light
0%
Sat21:00Cloud

Cloudy.56°FSW
Light
0%
Sat22:00Cloud

Cloudy.52°FSW
Light
0%
Sat23:00Mixed

Cloudy at altitude.
Mixed below.
49°FSW
Light
0%
Sun00:00Mixed

Cloudy at altitude.
Mixed below.
49°FSW
Light
0%
Sun01:00Clear

Fair at altitude.
Clear below.
48°FSW
Light
0%
Sun02:00Cloud

Cloudy.48°FSW
Light
0%
Sun03:00Mixed

Cloudy at altitude.
Mixed below.
48°FSW
Light
0%
Sun04:00Clear

Fair at altitude.
Clear below.
48°FSW
Light
0%
Sun05:00Mixed

Cloudy at altitude.
Mixed below.
48°FSW
Light
0%
Sun06:00Fair

Clear spells at altitude.
Fair below.
48°FSW
Calm
0%
Sun07:00Mixed

Cloudy at altitude.
Mixed below.
48°FSW
Calm
0%
Sun08:00Clear

Clear sky.50°FSW
Light
0%
Sun09:00Cloud

Cloudy.57°FSW
Calm
0%
Sun10:00Mixed

Clear spells.61°FSW
Light
0%
Sun11:00Mixed

Clear spells.65°FSW
Light
0%
Sun12:00Fair

Fair.67°FSW
Light
0%
Sun13:00Clear

Clear sky.69°FSW
Breeze
0%
Sun14:00Clear

Clear sky.70°FSW
Breeze
0%
Sun15:00Cloud

Cloudy.70°FSW
Breeze
0%
Sun16:00Cloud

Cloudy.70°FSW
Breeze
0%
Sun17:00Cloud

Cloudy.69°FSW
Breeze
0%
Sun18:00Cloud

Cloudy.67°FSW
Breeze
0%
Sun19:00Cloud

Cloudy.63°FSW
Breeze
0%
Sun20:00Cloud

Cloudy.60°FSW
Light
0%
Sun21:00Cloud

Cloudy.54°FSW
Light
0%
Sun22:00Clear

Clear sky.48°FSW
Light
0%
Sun23:00Clear

Clear sky.47°FSW
Light
0%

Snow Forecast near Willamette Pass

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Willamette Pass are not available.

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 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.

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.