Tahoe Basin · AI Forecast In Development

Know before
you go.

Hyperlocal 48-hour snow forecasts for Sierra Nevada ski resorts, powered by SNOTEL, Amazon Chronos‑2 and NOAA HRRR atmospheric data.

Conditions

48-Hour Snow Forecast

Forecast data temporarily unavailable

The pipeline may be running. Check back shortly.

The Engine

Foundation models meet
mountain data.

PowDay runs Amazon Chronos‑2 fine-tuned on 10 years of Sierra weather and snowpack data — on consumer hardware (i.e. RTX 4070 Ti) — to produce probabilistic snow forecasts without cloud costs or vendor lock-in.

Read the architecture →
10 years
Sierra Nevada training data
1,000 samples
Monte Carlo per forecast
5
Resorts Tracked
Tahoe Basin
Daily
Run Frequency
Pre-dawn pipeline