Powder Forecast
Japan Ski Powder Index & Snow
Free · Designed for iPad. Not verified for macOS.
Check powder conditions at 148 ski resorts across Japan with our unique Powder Index!
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.
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The developer, yoshiaki okazaki, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- yoshiaki okazaki
- Size
- 564.2 KB
- Category
- Weather
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 yoshiaki okazaki