Big Sky
MT · 11,166 ft summit · BZN
NWS Grade
2025–26 Season Snapshot
Storms This Season
385
storms tracked
Season Snowfall
538"
calibrated total
Best Storm
27/100
Major
Current Snowpack
0"
Lone Mountain
Avg Daily Rate
0.8"/day
storms with data
Season SWE
0.1"
snow water equivalent
NWS Forecast Accuracy
NWS overpredicts by 75.95% at Big Sky
Our calibrated estimates are based on 10 verified storms. When NWS says 12 inches, reality is closer to 3 inches. Don't book flights based on NWS numbers alone.
Dataset severely limited by 8 storms with missing verification data (all from 2026-03-16). Of 2 evaluable storms, NWS overpredicts by ~76% on average. Data quality issues and missing SNOTEL readings after 2026-03-14 prevent robust seasonal or magnitude-based pattern detection. Recommend collecting complete 2026-2027 season data before deploying correction rules operationally.
Based on 10 verified storms · SNOTEL ground truth (Lone Mountain)
Storm History — 2025–26 Season
Jun 11 – Jun 11
NWS Forecast
0.5"
Calibrated
0.1"
Actual (SNOTEL)
Pending
Density: Average
Rate: 0.1"/day
Jun 11 – Jun 11
NWS Forecast
0.6"
Calibrated
0.1"
Actual (SNOTEL)
Pending
Density: Average
Rate: 0.1"/day
Jun 10 – Jun 11
NWS Forecast
0.7"
Calibrated
0.2"
Actual (SNOTEL)
0.0"
Density: Dense
Rate: 0.2"/day
NWS accuracy: 0%
Show 382 more storms
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 10 – Jun 11
Level 1 · 0" calibrated
Jun 8 – Jun 8
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 21 – May 21
Level 1 · 0" calibrated
May 20 – May 20
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 18 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 0" calibrated
May 17 – May 18
Level 1 · 1" calibrated
May 17 – May 18
Level 1 · 1" calibrated
May 17 – May 18
Level 1 · 1" calibrated
May 17 – May 18
Level 1 · 1" calibrated
May 17 – May 18
Level 1 · 1" calibrated
May 17 – May 18
Level 1 · 2" calibrated
May 17 – May 18
Level 1 · 2" calibrated
May 17 – May 18
Level 1 · 2" calibrated
May 16 – May 18
Level 1 · 2" calibrated
May 16 – May 18
Level 1 · 2" calibrated
May 16 – May 18
Level 1 · 2" calibrated
May 16 – May 18
Level 1 · 2" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 16 – May 18
Level 2 · 3" calibrated
May 14 – May 14
Level 1 · 0" calibrated
May 14 – May 14
Level 1 · 0" calibrated
May 5 – May 5
Level 1 · 0" calibrated
May 5 – May 6
Level 1 · 0" calibrated
May 5 – May 6
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Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 30 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 29
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Apr 29 – Apr 29
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Apr 29 – Apr 29
Level 1 · 0" calibrated
Apr 29 – Apr 29
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 29 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 28 – Apr 30
Level 1 · 0" calibrated
Apr 27 – Apr 27
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 0" calibrated
Apr 27 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 0" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 26 – Apr 28
Level 1 · 1" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 0" calibrated
Apr 24 – Apr 24
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Level 1 · 0" calibrated
Apr 24 – Apr 24
Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 2 · 3" calibrated
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Level 2 · 3" calibrated
Apr 23 – Apr 25
Level 3 · 4" calibrated
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Level 3 · 4" calibrated
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Level 3 · 4" calibrated
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Level 3 · 4" calibrated
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Level 3 · 4" calibrated
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Level 3 · 4" calibrated
Apr 23 – Apr 25
Level 3 · 5" calibrated
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Level 3 · 5" calibrated
Apr 22 – Apr 25
Level 3 · 5" calibrated
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Level 3 · 5" calibrated
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Level 3 · 5" calibrated
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Level 3 · 5" calibrated
Apr 22 – Apr 25
Level 3 · 4" calibrated
Apr 22 – Apr 25
Level 3 · 4" calibrated
Apr 18 – Apr 18
Level 1 · 0" calibrated
Apr 18 – Apr 18
Level 1 · 0" calibrated
Apr 18 – Apr 18
Level 1 · 0" calibrated
Apr 18 – Apr 18
Level 1 · 0" calibrated
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Level 1 · 0" calibrated
Apr 17 – Apr 18
Level 1 · 0" calibrated
Apr 17 – Apr 18
Level 1 · 0" calibrated
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Level 1 · 0" calibrated
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Level 1 · 0" calibrated
Apr 17 – Apr 18
Level 1 · 1" calibrated
Apr 17 – Apr 18
Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
Apr 17 – Apr 18
Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
Apr 17 – Apr 18
Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 2 · 1" calibrated
Apr 17 – Apr 18
Level 2 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
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Level 1 · 1" calibrated
Apr 16 – Apr 18
Level 1 · 1" calibrated
Apr 16 – Apr 18
Level 1 · 2" calibrated
Apr 16 – Apr 18
Level 1 · 2" calibrated
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Level 2 · 2" calibrated
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Level 2 · 2" calibrated
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Level 2 · 2" calibrated
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Level 2 · 2" calibrated
Apr 16 – Apr 18
Level 3 · 3" calibrated
Apr 16 – Apr 18
Level 3 · 3" calibrated
Apr 16 – Apr 18
Level 3 · 3" calibrated
Apr 16 – Apr 18
Level 3 · 3" calibrated
Apr 16 – Apr 18
Level 3 · 3" calibrated
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Level 3 · 3" calibrated
Apr 15 – Apr 18
Level 3 · 3" calibrated
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Level 3 · 3" calibrated
Apr 15 – Apr 18
Level 3 · 3" calibrated
Apr 15 – Apr 18
Level 3 · 3" calibrated
Apr 15 – Apr 18
Level 2 · 3" calibrated
Apr 15 – Apr 18
Level 2 · 3" calibrated
Apr 15 – Apr 15
Level 1 · 0" calibrated
Apr 14 – Apr 17
Level 2 · 3" calibrated
Apr 14 – Apr 17
Level 2 · 3" calibrated
Apr 14 – Apr 14
Level 1 · 0" calibrated
Apr 14 – Apr 14
Level 1 · 0" calibrated
Apr 14 – Apr 14
Level 1 · 0" calibrated
Apr 14 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 0" calibrated
Apr 13 – Apr 14
Level 1 · 1" calibrated
Apr 13 – Apr 14
Level 1 · 1" calibrated
Apr 13 – Apr 14
Level 1 · 1" calibrated
Apr 13 – Apr 14
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 4
Level 1 · 0" calibrated
Apr 3 – Apr 4
Level 1 · 0" calibrated
Apr 3 – Apr 4
Level 1 · 0" calibrated
Apr 3 – Apr 4
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 1 · 1" calibrated
Apr 3 – Apr 3
Level 2 · 1" calibrated
Apr 3 – Apr 4
Level 2 · 1" calibrated
Apr 3 – Apr 4
Level 2 · 1" calibrated
Apr 3 – Apr 4
Level 2 · 2" calibrated
Apr 3 – Apr 4
Level 2 · 2" calibrated
Apr 3 – Apr 4
Level 3 · 2" calibrated
Apr 3 – Apr 4
Level 3 · 2" calibrated
Apr 3 – Apr 4
Level 3 · 2" calibrated
Apr 3 – Apr 4
Level 3 · 2" calibrated
Apr 2 – Apr 4
Level 3 · 3" calibrated
Apr 2 – Apr 4
Level 3 · 3" calibrated
Apr 2 – Apr 4
Level 3 · 3" calibrated
Apr 2 – Apr 4
Level 3 · 3" calibrated
Apr 2 – Apr 3
Level 3 · 3" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 2 – Apr 3
Level 3 · 4" calibrated
Apr 1 – Apr 2
Level 1 · 0" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 3" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Apr 1 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 3 · 5" calibrated
Mar 31 – Apr 3
Level 3 · 5" calibrated
Mar 31 – Apr 3
Level 3 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 4" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 3
Level 2 · 3" calibrated
Mar 31 – Apr 2
Level 2 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 3" calibrated
Mar 30 – Apr 2
Level 1 · 2" calibrated
Mar 30 – Apr 2
Level 1 · 2" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 22 – Mar 22
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 1" calibrated
Mar 16 – Mar 16
Level 1 · 1" calibrated
Mar 15 – Mar 15
Level 1 · 0" calibrated
Mar 12 – Mar 14
Level 1 · 3" calibrated
Mar 10 – Mar 11
Level 1 · 0" calibrated
Local Knowledge
TGR Community IntelStorm Day Strategy
Big Sky is positioned high enough to benefit from most storm tracks in the region. Chase storms when they're forecast; the resort receives consistent powder compared to Colorado due to elevation. January 10-24 window historically strong for snow potential. Best value compared to Jackson Hole during powder cycles.
Terrain Opening Patterns
Larch Chair
Opens: Early season
Opening signals significant terrain availability at LL. Timing varies based on storm cycle.
Powder Stashes
Bridger Gondola terrain
Bridger Bowl area
Look for wind-buffed stashes and protected slopes
Off-Bridger Gondola slopes
General Bridger area
Work required to find stashes in lean conditions
Full local intelligence for Big Sky
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Based on 25 community reports · 2018-03-14 → 2026-02-11
Road & Access
No live DOT road data available for Big Sky.
Historical Patterns
Temperature effect: Limited data; warmer storm (avg 21.2°F at 1440 ft elevation) verified at 48% of forecast vs. colder/lower-elevation storm at 0%. Suggests warmer/higher snow level storms may be slightly more predictable, but sample size is insufficient.
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