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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Sun Valley at 2780 m 高度
Snow-Forecast.comによる発表： 4 am (現地時間) / 23 Jan 2026
Now
Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||
morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | morn- ing | after- noon | night | |
 |  |  | | | | | | |  | | |  | | | | |  | |
一部曇り | 晴れる | 晴れる | 晴れる | 晴れる | 晴れる | 晴れる | 晴れる | 一部曇り | 曇り | 曇り | 一部曇り | 一部曇り | 曇り | 一部曇り | 一部曇り | 一部曇り | 小雪 | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -8 | -11 | -10 | -9 | -8 | -7 | -7 | -6 | -6 | -6 | -7 | -7 | -6 | -5 | -4 | -4 | -6 |
min °C | -8 | -9 | -12 | -11 | -10 | -9 | -8 | -7 | -7 | -6 | -6 | -8 | -8 | -6 | -6 | -5 | -5 | -8 |
-12 | -15 | -16 | -17 | -15 | -16 | -15 | -10 | -10 | -10 | -11 | -12 | -12 | -10 | -9 | -8 | -10 | -13 | |
32 | 64 | 54 | 29 | 54 | 31 | 29 | 50 | 24 | 22 | 31 | 73 | 75 | 91 | 62 | 38 | 56 | 94 | |
1450 | 1400 | 550 | 1250 | 1150 | 850 | 1700 | 1350 | 1100 | 1650 | 1750 | 1300 | 1750 | 1900 | 1300 | 1900 | 1850 | 1450 | |
8:02 | — | — | 8:00 | — | — | 8:00 | — | — | 7:58 | — | — | 7:58 | — | — | 7:58 | — | — | |
— | 5:35 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:40 | — | — | 5:42 | — | |
翌 0-3 日の天気概要：
大部分は乾燥. 気温は氷点下になるでしょう (最大 -6°C 日曜日の夜に, 最小 -12°C 金曜日の夜に). 風は通常微風.
翌 4-6 日の天気概要：
大部分は乾燥. 気温が氷点下になるでしょう (最大 -4°C 水曜日の朝に, 最小 -8°C 月曜日の夜に). 風は通常微風.
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雪レーダー
最新の雪レポート Sun Valley:
Sun Valley の雪の状態
| 雪上部の深さ | 160 cm |
|---|---|
| 雪下部の深さ | 102 cm |
| 新雪の深さ | — |
| 最後の降雪 | 7 Jan 2026 |
USA - Idahoの他のリゾートの報告: 粉雪 (0) / 状態のよいゲレンデ (2)
雪の履歴
January月4 週の平均：
0.6 | ブルバードパウダーの日 新雪、おおむね晴れ、微風 |
|---|---|
1.3 | パウダーの日 新雪、時々晴れ、風あり |
2.5 | ブルーバードの日 平均的な雪、おおむね晴れ、微風 |
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新しい写真をアップロード USA - Idahoの他のリゾートの報告: 粉雪 (0) / 状態のよいゲレンデ (2)
上記の表には Sun Valley の2780 m の特定高度における天気予報が表示されています。高度な気候モデルによって、 Sun Valley の山頂、中腹、麓にあるスキーステーションの雪予報を提供することができます。その他の高度の天気予報にアクセスするには、テーブルの上のタブナビゲーションをお使いください。より広範囲の天気予報には、 United States の天気図をご覧ください。
ここをクリックし凍結高度や我々の気温の予測の仕方についてさらにご覧ください。
Sun Valleyのビジターによるレビュー
全体 4.5 基づいた 9 投票 および 9 レビュー
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- United StatesのDaveが記述:
Sun Valley remains one of the best destination resorts in the country. Highlights include long, unbroken vertical with excellent steepness. I've never seen a lift line longer than 5 minutes on the busiest day of the season - 95% of the time there is zero line. While the excellent groomed skiing gets attention, most people don't know the extent and variety of the lift accessed side country, it's truly excellent when in condition. Additionally, there is nearly endless (and empty) backcountry skiing from 5 to 45miles away. Everything from massive alpine couloirs to empty cruisy powder fields. And all of that terrain gets 2-3x the snowfall of the resort (particularly) further north. 90% of my backcountry tours I don't see another person or cross a track. Last but not least, Ketchum/Sun Valley has one of the few actual ski towns in North America. A real town, with a great laid back, fun vibe, is walking distance to the mountain itself. Free buses around town make a week in Sun Valley one of the most accessible apres towns I've ever visited.
Sun Valleyのビジターによるレビュー
United StatesのDaveが記述:
Sun Valley remains one of the best destination resorts in the country. Highlights include long, unbroken vertical with excellent steepness. I've never seen a lift line longer than 5 minutes on the busiest day of the season - 95% of the time there is zero line.
While the excellent groomed skiing gets attention, most people don't know the extent and variety of the lift accessed side country, it's truly excellent when in condition. Additionally, there is nearly endless (and empty) backcountry skiing from 5 to 45miles away. Everything from massive alpine couloirs to empty cruisy powder fields. And all of that terrain gets 2-3x the snowfall of the resort (particularly) further north. 90% of my backcountry tours I don't see another person or cross a track.
Last but not least, Ketchum/Sun Valley has one of the few actual ski towns in North America. A real town, with a great laid back, fun vibe, is walking distance to the mountain itself. Free buses around town make a week in Sun Valley one of the most accessible apres towns I've ever visited.
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