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Willamette Pass ski resort

North America

Willamette Pass Snow Forecast

Closed for the season

Best months to book: February, March, January · last season + 30-yr record

Closed for the season closed April 5

Weather data is still collected for informational purposes.

Last Snowfall

Sep 15

8d ago

Past 24 Hours

0cm

Past 48 Hours

0cm

Past 10 Days

0cm

7-Day Forecast

0cm

Snow Depth

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Updated: Sep 23, 9:04 AMWeather at base: 1,609m
SnowSure™ Score2025-26 season
Closed for the season

Willamette Pass is closed for the season. Here is when it is usually best to book.

Best months to book: February, March, January. Best weeks: 1 Mar–7 Mar, 22 Feb–28 Feb, 8 Mar–14 Mar.Dec3Jan1Feb2MarAprOpens 6 DecCloses 5 Apr

February

#1 to book

80cm avg · scored 35.6

March

#2 to book

74cm avg · scored 23

January

#3 to book

92cm avg

Best weeks to book

  1. #11 Mar7 Marscored 32.1
  2. #222 Feb28 Febscored 35.6
  3. #38 Mar14 Marscored 24.1

Ranked on 25% last season's SnowSure score (2025-26) · 75% 30-year snowfall and base-depth record. The live score returns when the lifts turn.

Snow Summary

2,011m

Updated Sep 23, 2026 at 9:04 AM

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24h
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Past 10d
7-Day Forecast
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Prev10d
Now23
T24
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S26
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Days 814 and every model are in Pro.Unlock with Pro
Past
Today
Forecast

Hourly Forecast

23 Wed
16° / -1°
24 Thu
18° /
25 Fri
/
26 Sat
11° / -2°
27 Sun
11° / -0°
28 Mon
13° / -0°
29 Tue
13° /
Days 8–14 and every model are in SnowSure Pro.Unlock with Pro
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight30 Wed1 Thu2 Fri3 Sat4 Sun5 Mon6 Tue
Conditions☁️☁️☁️☁️☁️🌧️🌧️🌧️☁️🌤️☁️🌤️☀️☀️☁️🌤️☀️🌤️☁️
cloudycloudycloudysome cloudscloudycloudylight drizzlelight drizzledrizzlecloudymostly clearcloudymostly clearclearclearcloudymostly clearclearsome cloudsmostly clearcloudy
Summit2,011 mModeled
Temp°C15°17°10°12°12°
Feels like°C12°13°-2°-3°
Snowcm·····················
Precipmm······1.51.25.7············
Windkm/h172414520151048251244546136
Mid-mountain1,810 mModeled
Temp°C16°11°18°10°11°13°10°14°
Feels like°C13°14°-1°-2°10°10°
Snowcm·····················
Precipmm······1.51.25.7············
Windkm/h172414520151048251244546136
Base1,609 mModeled
Temp°C18°12°20°10°12°12°14°11°15°
Feels like°C15°10°16°11°11°
Snowcm·····················
Precipmm······1.51.25.7············
Windkm/h172414520151048251244546136
Humidity%802888643169987590894880794685612876503080
0°C linem
Sunhours

Freeze line is the height where rain turns to snow. Plain: straight from the models. Marked ○: estimated from temperature. Sun is hours of actual sunshine, not day length; blank means we have no reading.

Forecast Range · SnowSure Pro

Every model for Willamette Pass, side by side for 14 days

Where the models agree, where they split, and which one has been most accurate here. Free for 14 days, then yearly.

Unlock with Pro

SnowSure™ blend — verified model weighting

The black line is not a simple average. For Willamette Pass (rockies), we combine seven global weather models using weights learned from daily forecast verification — comparing each model's prediction to measured snowfall (SNOTEL, resort reports, ERA5).

  • 1.Horizon buckets: days 1–3, 4–7, and 8–14 each get separate weights — short-range skill differs from long-range.
  • 2.Regional calibration: weights come from verified error in this geography (Rockies, Alps, Japan, etc.), recalculated weekly.
  • 3.Ground truth only: we never grade a forecast against another model — only against measured snow.

Building verification history for this resort.

How we verify forecasts →

Snowfall Forecast Maps

Pacific Northwest & BC region

El Niño Outlook · Winter 2026-27

Willamette Pass El Niño rank & forecast

Willamette Pass ranks #184 of 488 SnowSure resorts — Tier C, +2% in strong El Niño winters.

Tier CENSO-proof: Strong El Niño winters looked like a normal year here — within about ±3% of this resort’s own 30-year snowfall average. Not a jackpot, not a bust: a hedge if you’re planning around El Niño.

#184 of 488Tier CENSO-proof

Strong-event signal: +2% vs this resort's 30-yr avg

In the three strongest El Niño winters on record ('97-98, '15-16, '23-24), Willamette Pass averaged +2% versus its own 30-year snowfall baseline. El Niño has historically made little difference here — this is an ENSO-proof mountain, for winter 2026-27 as in past events. Analog winters: '97-98 -23%, '15-16 -8%, '23-24 +37%. A pattern, not a promise.

'97-98 −23%'15-16 −8%'23-24 +37%

ENSO seasonal analog

History · not a forecast

In 10 past El Niño winters at Willamette Pass, ERA5 season snowfall median was 405 cm (159 in), about 14% below this resort’s long-term median. This is a historical analog from reanalysis — not a prediction of this winter’s storm track.

Prevailing ONI

El Niño

JJA 2026 · ANOM +1.8°C

Analog season median

405cm

10 El Niño winters · 14% below median

All-season median

471cm

Across 30 ERA5 seasons (2026-27)

PhaseSeasonsMedianp25–p75Recent analogs
El Niñocurrent10405cm384cm – 535cm2023, 2019, 2018, 2015, 2014, 2009
La Niña12564cm493cm – 631cm2022, 2021, 2020, 2017, 2011, 2010
ENSO-neutral8463cm361cm – 536cm2025, 2024, 2016, 2013, 2012, 2003

Season snowfall from Open-Meteo ERA5 reanalysis (~9 km). ENSO phase from NOAA CPC Oceanic Niño Index. Relative phase differences are more trustworthy than absolute cm totals. Source: NOAA CPC Oceanic Niño Index + Open-Meteo ERA5 via SnowSure season archive.

Local Reports

0 reports

How accurate is this forecast?

We verify every forecast against what actually fell — see the model-by-model results.

Frequently asked questions about Willamette Pass

How much snow is Willamette Pass getting this week?
No significant snow is forecast at Willamette Pass over the next 7 days.
What is the 14-day snow forecast for Willamette Pass?
The full 14-day forecast for Willamette Pass — the SnowSure™ blend and every model we track, day by day — is part of SnowSure Pro. The first 7 days are free on this page.
How accurate are SnowSure forecasts for Willamette Pass?
We verify every forecast against what actually fell and publish the results — see our forecast verification pages for model-by-model accuracy, updated continuously.