Big Sky & Northern Rockies
Data-driven analysis of 3 resorts — NWS forecast accuracy, storm rankings, and local knowledge, powered by SNOTEL ground truth.
The Headlines
Big Sky averaged 6.7"/storm-day — the region's top producer with 400" on the season.
The region's biggest drop: 22" at Big Sky on Jan 15, 2026.
NWS overpredicted snowfall at Bridger Bowl by 94.29% this season. Grade: F.
Whitefish Mountain had the region's most accurate NWS forecast — grade C with only 45.5% error.
Resort Rankings
Sorted by calibrated season snowfall total. NWS grade reflects forecast accuracy.
| # | Resort | Season Total | Avg/Storm-Day | Best Storm | NWS Grade |
|---|---|---|---|---|---|
| 1 | Big SkyMT | 400" | 6.7"/day | 22" | D |
| 2 | Bridger BowlMT | 361" | 6"/day | 22" | F |
| 3 | Whitefish MountainMT | 300" | 5"/day | 22" | C |
NWS Forecast Accuracy
How much did the National Weather Service overpredict snowfall vs. SNOTEL ground-truth measurements? Lower is better. This is the core StormDrop data advantage.
Storm Timeline
Monthly snowfall across the region — feast months vs. famine months.
What Locals Are Saying
Top community intel from TGR forum data. The best powder intel isn't in the forecast.
“Bridger Gondola terrain: Look for wind-buffed stashes and protected slopes”
Explore This Region
Tailored guide for Destination Powder Chasers →Don't Get Skunked Next Season
This season proved you can't trust the forecast alone. NWS overpredicted by up to 94.29% at Bridger Bowl. StormDrop tells you what will actually fall — and where to go when your home mountain isn't delivering.