# Powder Forecast — Japan Ski Powder Index & Snow

> Japan Ski Powder Index & Snow (iPhone/iPad app by yoshiaki okazaki.)

- Source: https://appshunter.io/ios/app/powder-forecast/id6759529564 (this page in markdown: same URL + `.md`)
- Developer: [yoshiaki okazaki](https://appshunter.io/developer/576682717)
- Category: Weather, Sports
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-02-24
- Data updated: 2026-03-02
- User reviews in markdown: https://appshunter.io/ios/app/powder-forecast/id6759529564/reviews.md

## What is Powder Forecast?

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.


## Version history (last 1 release)

### 1.0 — 2026-02-24

No release notes.

## Related topics

[powder forecast](https://appshunter.io/ios/topics/powder-forecast)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-03-02.*