Grand Targhee
WY · 10,200 ft summit · JAC
NWS Grade
2025–26 Season Snapshot
Storms This Season
363
storms tracked
Season Snowfall
221"
calibrated total
Best Storm
15/100
Tracked
Current Snowpack
0"
Grand Targhee
Avg Daily Rate
0.4"/day
storms with data
Season SWE
0.0"
snow water equivalent
NWS Forecast Accuracy
NWS overpredicts by 100% at Grand Targhee
Our calibrated estimates are based on 3 verified storms. When NWS says 12 inches, reality is closer to 0 inches. Don't book flights based on NWS numbers alone.
Critical data quality concerns: (1) 100% forecast failure rate is extreme and atypical of NWS performance; (2) SNOTEL depth declining mid-period suggests possible melt, instrument drift, or data logging error; (3) Storm 1 shows isolated 8" depth gain with 0" SWE gain (impossible physics); (4) Missing temperature range data limits thermal analysis. Recommend independent verification of SNOTEL station 1082 calibration and data integrity before applying these rules operationally. With only 3 storms and widespread data gaps, confidence in correction factors is low.
Based on 3 verified storms · SNOTEL ground truth (Grand Targhee)
Storm History — 2025–26 Season
Jun 11 – Jun 11
NWS Forecast
0.1"
Calibrated
—
Actual (SNOTEL)
Pending
Density: Average
Jun 10 – Jun 11
NWS Forecast
0.2"
Calibrated
—
Actual (SNOTEL)
0.0"
Density: Dense
NWS accuracy: 0%
Jun 10 – Jun 11
NWS Forecast
0.2"
Calibrated
—
Actual (SNOTEL)
0.0"
Density: Dense
NWS accuracy: 0%
Show 360 more storms
Jun 10 – Jun 11
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May 31 – May 31
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Level 2 · 1" calibrated
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Level 2 · 1" calibrated
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Level 2 · 1" calibrated
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Level 2 · 1" calibrated
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Level 2 · 1" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
Apr 1 – Apr 3
Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
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Level 3 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 4
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Apr 1 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 3
Level 2 · 2" calibrated
Mar 31 – Apr 2
Level 2 · 2" calibrated
Mar 30 – Mar 31
Level 1 · 0" calibrated
Mar 17 – Mar 17
Level 1 · 0" calibrated
Mar 16 – Mar 17
Level 1 · 0" calibrated
Mar 16 – Mar 17
Level 1 · 0" calibrated
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Level 1 · 0" calibrated
Mar 16 – Mar 17
Level 1 · 0" calibrated
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Level 1 · 0" calibrated
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Level 1 · 0" calibrated
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Level 1 · 0" calibrated
Mar 12 – Mar 13
Level 1 · 0" calibrated
Mar 11 – Mar 14
Level 1 · 1" calibrated
Mar 10 – Mar 11
Level 1 · 0" calibrated
Local Knowledge
TGR Community IntelStorm Day Strategy
Storm days bring consolidation in main parking/resort areas; fresh powder accessible in Crags, upper ridges, and Sublette areas. Rain line typically 8,000-10,000 ft - stay above rain line for preservation. Early morning first-tracks on upper mountain; lower elevations often wet by afternoon. Mid-winter storms: rain line may drop to valley level, degrading lower tree skiing coverage. Post-storm monitoring essential before committing to below-8,000 ft terrain.
Terrain Opening Patterns
Dreamcatcher (DC)
Opens: Early season priority
Frequently open when other terrain is tracked or crusty
Football Fields / Instructor Chutes
Opens: Variable
Can develop icy bumps by afternoon; best in early morning
Powder Stashes
Steve Baugh Bowl
Behind Mary's lift, north-facing terrain
Side-country access; multiple laps possible; north aspects preserve powder longer
Backcountry terrain
General west slope terrain
Sensitive avalanche terrain; deep conditions noted; warming by early afternoon
Full local intelligence for Grand Targhee
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Based on 47 community reports · 2018-03-05 → 2026-03-01
Road & Access
No live DOT road data available for Grand Targhee.
Historical Patterns
Temperature effect: Insufficient temperature data (all reported as n/a) prevents analysis of warm/cold bias; however, elevated snow levels (536–1432 ft) suggest marginal or warming conditions that may explain misses.
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