Powder Forecast
Powder Forecast Summary
Powder Forecast is a free iOS app in Weather by yoshiaki okazaki. Released in Feb 2026 (7 months ago). Store last updated Feb 24, 2026
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App Description
Check powder conditions at 148 ski resorts across Japan at a glance.
KEY FEATURES:
• Proprietary "Powder Index" rates powder expectations on a 1-5 scale
• 3-day forecast with snowfall, temperature, wind speed, and weather split by morning/afternoon
• Track snowfall trends from the past 3 days
• Rank resorts by 6-day cumulative snowfall
• Filter by 10 regions: Hokkaido, Tohoku, Niigata, Nagano, Toyama, Ishikawa, Gifu, Kanto, Kansai, Chugoku/Shikoku
• Search by resort name
• Japanese & English bilingual support
• Offline support with up to 7 days of cache
COVERED RESORTS: 148 resorts across 10 regions
Hokkaido: Niseko, Rusutsu, Kiroro, Furano, Tomamu, and more
Tohoku: Zao, Appi Kogen, Tazawako, and more
Niigata: Naeba, Kagura, Myoko, and more
Nagano: Hakuba, Shiga Kogen, Nozawa Onsen, and more
Plus major resorts in Toyama, Ishikawa, Gifu, Kanto, Kansai, and Chugoku/Shikoku
ABOUT THE POWDER INDEX:
Evaluates cumulative snowfall, daily snowfall forecast, temperature, and wind speed to provide a comprehensive powder condition rating from 1 to 5. Higher numbers mean better powder snow conditions.
Weather data powered by Open-Meteo API.