CA2 Monitored Stations • 1 Regions

California Snow Conditions & Mountain Depth

Comprehensive automated telemetry, SNOTEL depth observations, lake-effect snow squalls, and activity condition scores across California.

Statewide Average Base0"Across 2 reporting sensors
Deepest Snowpack Base0"Truckee / Donner Summit #2
Top 24h New Snow+0"Truckee / Donner Summit #2

Observation Freshness & Provenance

Awaiting Live Telemetry...
Settled Base DepthUSDA SNOTEL Sensor
--Telemetry
Recent Snowfall AccumulationNumerical Weather Stream
--Modeled
7-Day Atmospheric ForecastOpen-Meteo High-Resolution Stream
--Forecast
Historical Baseline (% of Normal)NRCS / NOAA 1991–2020 Normals
30-Yr BenchmarkBaseline
Base Depth
48"+
24 - 48"
12 - 24"
< 12"
Geographic Snowbelts

California Winter Regions

CA

California Sierra Nevada & Tahoe

Epic Pacific storm cycles delivering massive Sierra snowfall across Lake Tahoe and the Eastern Sierra high passes.

2 StationsExplore Region →
Physical Sensors & Observers

All California Measurement Stations

Truckee / Donner Summit #2

California • 6,510 ft
0.0•Poor
Base Depth0"
24h Snow+0"
Temp46°F
Poor: Thin 0" base, softening at 46°F.USDA SNOTEL

Mammoth Pass (Eastern Sierra)

California • 9,300 ft
0.0•Poor
Base Depth0"
24h Snow+0"
Temp41°F
Poor: Thin 0" base, softening at 41°F.USDA SNOTEL
Snowpack Knowledge

Relevant Snow Guides for California Travelers

Snowpack Science

What is Snow Water Equivalent (SWE) and Why Does It Matter?

Snow depth tells you how high the snow reaches; Snow Water Equivalent (SWE) tells you how much water and mass is actually packed into that snow.

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Snowmobiling

How Much Snow Do You Need to Snowmobile? (Trail vs. Mountain)

Clear breakdown of minimum base depth requirements for groomed trail riding vs deep backcountry mountain boondocking.

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Snowpack Science

How to Read a SNOTEL Report Like a Pro

Master the automated telemetry reports from USDA NRCS automated snow telemetry stations across the American West.

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