Schweitzer
ID · 6,400 ft summit · GEG
NWS Grade
2025–26 Season Snapshot
Storms This Season
109
storms tracked
Season Snowfall
427"
calibrated total
Best Storm
58/100
Significant
Current Snowpack
76"
Schweitzer Basin
Avg Daily Rate
2.5"/day
storms with data
Season SWE
34.6"
snow water equivalent
NWS Forecast Accuracy
Good news — NWS underestimates snowfall here by -18.5%
Schweitzer typically receives 1.2× the NWS forecast amount. When NWS says 6 inches, you should expect closer to 7 inches. StormDrop calibrated estimates account for this.
Only 2 of 10 storms have verified SNOTEL data; Storms 3–10 are missing actual measurements, severely limiting pattern confidence. Both verified storms occur in early-to-mid March with multi-day durations. NWS shows consistent underprediction of 3.2–34.5%, with the larger error in the higher snow-level event. Wind speeds (9–40 mph) do not show clear linear correlation with error magnitude. Rain risk was zero for all evaluated storms. High uncertainty persists due to minimal sample size and data gaps.
Based on 10 verified storms · SNOTEL ground truth (Schweitzer Basin)
Storm History — 2025–26 Season
Apr 15 – Apr 17
NWS Forecast
2.1"
Calibrated
2.4"
Actual (SNOTEL)
Pending
Density: Dense
Rate: 1.7"/day
Apr 15 – Apr 17
NWS Forecast
2.1"
Calibrated
2.5"
Actual (SNOTEL)
Pending
Density: Dense
Rate: 1.7"/day
Apr 15 – Apr 17
NWS Forecast
2.6"
Calibrated
3.1"
Actual (SNOTEL)
Pending
Density: Average
Rate: 2.1"/day
Show 106 more storms
Apr 15 – Apr 17
Level 1 · 3" calibrated
Apr 15 – Apr 17
Level 1 · 3" calibrated
Apr 15 – Apr 17
Level 1 · 4" calibrated
Apr 15 – Apr 17
Level 1 · 4" calibrated
Apr 15 – Apr 17
Level 1 · 4" calibrated
Apr 15 – Apr 17
Level 1 · 5" calibrated
Apr 15 – Apr 17
Level 1 · 5" calibrated
Apr 15 – Apr 17
Level 1 · 6" calibrated
Apr 15 – Apr 17
Level 1 · 7" calibrated
Apr 15 – Apr 17
Level 1 · 8" calibrated
Apr 15 – Apr 17
Level 1 · 11" calibrated
Apr 15 – Apr 17
Level 2 · 12" calibrated
Apr 15 – Apr 17
Level 2 · 13" calibrated
Apr 15 – Apr 17
Level 2 · 13" calibrated
Apr 15 – Apr 17
Level 2 · 14" calibrated
Apr 15 – Apr 17
Level 2 · 15" calibrated
Apr 15 – Apr 17
Level 2 · 16" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 14 – Apr 17
Level 2 · 15" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 3 – Apr 3
Level 1 · 0" calibrated
Apr 2 – Apr 3
Level 1 · 0" calibrated
Apr 2 – Apr 3
Level 1 · 0" calibrated
Apr 2 – Apr 3
Level 1 · 1" calibrated
Apr 2 – Apr 3
Level 1 · 1" calibrated
Apr 2 – Apr 3
Level 1 · 2" calibrated
Apr 2 – Apr 3
Level 1 · 3" calibrated
Apr 2 – Apr 3
Level 1 · 3" calibrated
Apr 2 – Apr 3
Level 1 · 3" calibrated
Apr 2 – Apr 3
Level 1 · 4" calibrated
Apr 2 – Apr 3
Level 1 · 4" calibrated
Apr 2 – Apr 3
Level 1 · 4" calibrated
Apr 2 – Apr 3
Level 1 · 5" calibrated
Apr 2 – Apr 3
Level 1 · 5" calibrated
Apr 2 – Apr 3
Level 1 · 6" calibrated
Apr 2 – Apr 3
Level 1 · 6" calibrated
Apr 2 – Apr 3
Level 1 · 7" calibrated
Apr 2 – Apr 3
Level 2 · 7" calibrated
Apr 2 – Apr 3
Level 2 · 8" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 3
Level 1 · 5" calibrated
Apr 1 – Apr 1
Level 1 · 0" calibrated
Apr 1 – Apr 1
Level 1 · 0" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Apr 1 – Apr 1
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 0" calibrated
Mar 30 – Mar 30
Level 1 · 0" calibrated
Mar 30 – Mar 30
Level 1 · 0" calibrated
Mar 30 – Mar 30
Level 1 · 0" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 1" calibrated
Mar 30 – Mar 30
Level 1 · 2" calibrated
Mar 29 – Mar 30
Level 1 · 2" calibrated
Mar 29 – Mar 30
Level 1 · 2" calibrated
Mar 29 – Mar 30
Level 1 · 2" calibrated
Mar 29 – Mar 30
Level 1 · 2" calibrated
Mar 29 – Mar 30
Level 1 · 3" calibrated
Mar 29 – Mar 30
Level 1 · 3" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 0" calibrated
Mar 26 – Mar 26
Level 1 · 1" calibrated
Mar 26 – Mar 26
Level 1 · 1" calibrated
Mar 26 – Mar 26
Level 1 · 1" calibrated
Mar 26 – Mar 26
Level 1 · 1" calibrated
Mar 25 – Mar 26
Level 1 · 1" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 1" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 0" calibrated
Mar 24 – Mar 24
Level 1 · 1" calibrated
Mar 24 – Mar 24
Level 1 · 1" calibrated
Mar 24 – Mar 24
Level 1 · 1" calibrated
Mar 24 – Mar 24
Level 1 · 1" calibrated
Mar 16 – Mar 16
Level 1 · 0" calibrated
Mar 16 – Mar 16
Level 1 · 1" calibrated
Mar 16 – Mar 16
Level 1 · 2" calibrated
Mar 16 – Mar 16
Level 1 · 2" calibrated
Mar 16 – Mar 16
Level 1 · 3" calibrated
Mar 16 – Mar 16
Level 1 · 3" calibrated
Mar 16 – Mar 16
Level 1 · 3" calibrated
Mar 16 – Mar 16
Level 1 · 3" calibrated
Mar 11 – Mar 14
Level 1 · 14" calibrated
Mar 10 – Mar 13
Level 1 · 18" calibrated
Local Knowledge
TGR Community IntelStorm Day Strategy
Schweitzer grooms aggressively during and after storms; firm corduroy conditions develop quickly. Fresh snow (few inches) with all-day snowfall creates good conditions on groomed runs.
Full local intelligence for Schweitzer
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Based on 6 community reports · 2025-01-12 → 2026-03-17
Road & Access
No live DOT road data available for Schweitzer.
Historical Patterns
Temperature effect: Storms with average temperature ~23.5–23.7°F show similar underprediction bias (1.03–1.34× actual). Colder conditions (min 10.2°F) did not prevent underprediction in Storm 2. Insufficient data to isolate pure temperature effect.
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