Name: SnowSure MCP Server
Author: SnowSure

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Tier A — Prime El Niño terrain

North America

Opens November 27, 2026

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

Scroll for happiness

Opens Nov 27 — closed May 10

Weather data is still collected for informational purposes.

Last Snowfall

Oct 28

3d ago

Past 24 Hours

0cm

Past 48 Hours

0cm

Past 10 Days

2cm

7-Day Forecast

33cm

Snow Depth

Updated: Oct 31, 1:03 AM•Weather at base: 2,365m

SnowSure™ Score2025-26 season

Opens Nov 27

Snowbird opens November 27, 2026. Here is when it is usually best to book.

Best months to book

#1February50cm avg · last season 34.4
#2March48cm avg · last season 24.1
#3January54cm avg

Best weeks to book

#1 1 Mar – 7 Mar · last season 36.9
#2 22 Feb – 28 Feb · last season 34.4
#3 8 Mar – 14 Mar · last season 26.1

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

Updated Oct 31 at 1:03 AM

Snow qualityLightAverageHeavy

Freezing line

34cm

Season

0cm

Past 10 days48H 0cm · 24H 0cm

1cm

Today

32cm

Next 6 days

Days 8–14 · Pro

Seasontotal

Wed28

Thu29

14 daystotal

—

TueOct 20

Wed21

Thu22

Fri23

Sat24

Sun25

Mon26

Tue27

TODAY30

Sat31

SunNov 1

Mon2

Tue3

Wed4

Thu5

Fri6

Sat7

Sun8

Mon9

Tue10

Wed11

Thu12

Freezing line

Snow qualityLight· bestAverage· okayHeavy· wet, skis heavy

Days 8–14 and every model are in SnowSure Pro.Unlock with Pro

Past snow measured by Snowbird SNOTEL at 2,795 m (9,170 ft), mid height.

Hourly Forecast

	30 Fri 5° / -2°			31 Sat 2° / -3°			1 Sun -1° / -6°			2 Mon -4° / -11°			3 Tue 2° / -10°			4 Wed -3° / -9°			5 Thu -1° / -10°			Days 8–14 and every model are in SnowSure Pro.Unlock with Pro
	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	AM	PM	Night	6 Fri	7 Sat	8 Sun	9 Mon	10 Tue	11 Wed	12 Thu
Conditions	☁️	🌧️	🌧️	🌧️	🌧️	☁️	🌧️	🌧️	❄️	❄️	❄️	❄️	☁️	⛅	🌤️	☁️	❄️	☀️	🌤️	☀️	⛅	☀️	🌤️	🌤️	🌤️	⛅	☀️	🌤️
	cloudy	light drizzle	light drizzle	light drizzle	light drizzle	cloudy	light rain	heavy drizzle	snow	snow	light snow	snow	cloudy	some clouds	mostly clear	cloudy	light snow	clear	mostly clear	clear	some clouds	clear	mostly clear	mostly clear	mostly clear	some clouds	clear	mostly clear
Mid-mountain2,859 mModeled
Temp°C	3°	6°	1°	2°	4°	2°	1°	1°	0°	-3°	-2°	-3°	-4°	3°	-3°	-2°	1°	-2°	-2°	2°	-3°	-1°	-1°	1°	4°	4°	4°	4°
Feels like°C	0°	3°	-2°	-2°	1°	-1°	-2°	-2°	-4°	-8°	-6°	-8°	-5°	1°	-5°	-6°	-7°	-6°	-7°	-4°	-8°	-6°	-6°	-4°	-1°	0°	1°	2°
Snowcm	·	0.2	1.1	0.9	0.1	0.3	6.5	7.6	8.3	3.1	0.8	3.6	·	·	·	0.5	0.7	0.2	·	·	0.6	2.7	1	·	0.3	0.1	·	·
Precipmm	0.1	2.4	4.6	2.1	0.9	2.7	11.7	11.7	16.5	3.8	1.0	5.0	·	·	·	0.7	0.7	0.2	·	·	0.7	2.5	0.3	0.2	0.4	0.4	·	·
Windkm/h	4	9	3	8	10	4	6	11	6	10	9	6	1	4	2	4	9	3	2	3	1	4	3	1	2	4	3	4
Summit3,353 mModeled
Temp°C	0°	2°	-1°	-1°	1°	-1°	-2°	-2°	-3°	-6°	-5°	-6°	-7°	0°	-6°	-5°	-2°	-5°	-5°	-1°	-6°	-4°	-4°	-2°	1°	1°	1°	1°
Feels like°C	-3°	-1°	-5°	-6°	-3°	-5°	-6°	-6°	-7°	-11°	-9°	-12°	-9°	-3°	-9°	-10°	-10°	-9°	-11°	-7°	-11°	-9°	-9°	-8°	-4°	-4°	-2°	-2°
Snowcm	·	0.8	2.8	1.4	0.3	1.7	8	7.7	12.2	3.2	0.8	4.6	·	·	0.1	0.6	0.7	0.3	·	·	0.7	2.8	1	0.1	0.4	0.2	·	·
Precipmm	0.1	2.4	4.2	2.1	0.9	2.6	11.9	11.5	16.4	3.8	1.0	5.0	·	·	·	0.7	0.7	0.2	·	·	0.7	2.4	0.3	0.2	0.4	0.4	·	·
Windkm/h	4	9	3	8	10	4	6	11	6	10	9	6	1	4	2	4	9	3	2	3	1	4	3	1	2	4	3	4
Base2,365 mModeled
Temp°C	6°	9°	5°	4°	7°	5°	4°	4°	3°	0°	1°	0°	-1°	6°	0°	0°	4°	1°	0°	5°	0°	2°	1°	3°	6°	6°	7°	7°
Feels like°C	4°	6°	2°	2°	4°	2°	2°	2°	0°	-4°	-2°	-4°	-2°	4°	-2°	-2°	-3°	-2°	-4°	0°	-4°	-2°	-2°	-1°	3°	3°	5°	5°
Snowcm	·	·	0.1	·	·	·	0.3	0.9	4.3	3.1	0.7	3.6	·	·	·	0.5	0.5	0.1	·	·	0.1	2.1	0.9	·	·	·	·	·
Precipmm	0.1	2.0	3.4	0.9	0.5	2.1	9.6	10.9	14.4	4.4	1.2	5.4	·	·	·	0.7	0.7	0.2	·	·	0.7	2.4	0.3	0.2	0.4	0.4	·	·
Windkm/h	4	9	3	8	10	4	6	11	6	10	9	6	1	4	2	4	9	3	2	3	1	4	3	1	2	4	3	4
Humidity%	58	51	78	86	65	85	95	97	91	98	86	94	70	48	65	80	94	75	88	79	87	60	60	48	40	44	44	36
0°C linem	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,700	2,550	2,900	3,450	3,500	3,500	3,500
Sunhours																						9	9	9	9	9	9	9

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 Snowbird, side by side for 14 days

Where the models agree, where they split, and which one has been most accurate here.

Unlock with Pro

SnowSure™ blend — verified model weighting

The black line is not a simple average. For Snowbird (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

Utah region

14 Day map is in SnowSure ProUnlock with Pro

El Niño Outlook · Winter 2026-27

Snowbird El Niño rank & forecast

Snowbird ranks Under review SnowSure resorts — Tier A, +12% in strong El Niño winters.

Tier A — Prime El Niño terrain: Historically snowed much more than normal in strong El Niño winters (≥ +8% vs this resort’s own 30-year average).

Under reviewTier A — Prime El Niño terrain

Strong-event signal: +12% vs this resort's 30-yr avg

This resort carries no separate rank: its 30-year record is identical to alta, which is the ranked entry for this measurement. At ~31km resolution the reanalysis cannot resolve them as different mountains, so publishing both would be publishing one number twice.

'97-98 −13%'15-16 −31%'23-24 +80%

Signal = average snowfall in the three strongest El Niño winters since 1996 ('97-98, '15-16, '23-24) vs this resort's own 30-year ERA5 baseline. n=3 — a lean, not a law. Updated monthly against measured snowfall Dec–Mar.

Full El Niño report →

Key

What the tiers mean

% vs each resort's own 30-year average in strong El Niño winters.

Tier	Signal	Means
A — Prime terrain	≥ +8%	Historically much snowier than normal.
B — Favored	+3% to +8%	Modest upside vs normal.
C — ENSO-proof	about −3% to +3%	Near-normal snowfall — a hedge, not a jackpot or bust.
D — Late bloomer	−3% to −8%	Often lighter early — aim Feb–Mar.
E — Timing play	≤ −8%	Often lighter overall — aim late winter.

ENSO seasonal analog

History · not a forecast

In 10 past El Niño winters at Snowbird, ERA5 season snowfall median was 253 cm (100 in), about 7% 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

JAS 2026 · ANOM +2.16°C

Analog season median

253cm

10 El Niño winters · 7% below median

All-season median

274cm

Across 30 ERA5 seasons (2026-27)

Phase	Seasons	Median	p25–p75	Recent analogs
El Niñocurrent	10	253cm	218cm – 366cm	2023, 2019, 2018, 2015, 2014, 2009
La Niña	12	282cm	242cm – 393cm	2022, 2021, 2020, 2017, 2011, 2010
ENSO-neutral	8	292cm	214cm – 462cm	2025, 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.

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