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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Sun Valley at 1744 m höjd
Utfärdat av Snow-Forecast.com på: 10 am (lokal tid) / 17 Dec 2025
Now
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
morgon | eftermiddag | natt | morgon | eftermiddag | natt | morgon | eftermiddag | natt | morgon | eftermiddag | natt | morgon | eftermiddag | natt | morgon | eftermiddag | natt | |
 |  |  |  | |  |  | | | |  | | |  | | | |  | |
snöskurar | en del moln | en del moln | lätt snöfall | lätt snöfall | lätt snöfall | Måttligt regn | Måttligt regn | snöskurar | en del moln | molnigt | lätt snöfall | lätt snöfall | snöskurar | lätt snöfall | lätt snöfall | lätt snöfall | molnigt | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
3 | — | — | — | 2 | 3 | — | — | 1 | — | — | 3 | 3 | — | 2 | 1 | — | — | |
13 | — | — | — | — | 10 | 8 | 9 | — | — | — | — | — | 1 | — | — | — | — | |
max °C | 6 | 0 | -6 | -3 | -2 | 2 | 2 | 3 | 1 | -4 | -2 | -1 | 1 | 2 | 1 | 0 | 0 | -2 |
min °C | 2 | -6 | -7 | -3 | -2 | -1 | 1 | 2 | -12 | -12 | -6 | -6 | 0 | -2 | -3 | -1 | -7 | -6 |
-5 | -12 | -12 | -3 | -5 | -5 | -3 | -3 | -17 | -17 | -6 | -6 | -4 | -4 | -3 | -6 | -7 | -6 | |
68 | 80 | 70 | 84 | 97 | 95 | 98 | 98 | 68 | 57 | 67 | 97 | 98 | 94 | 98 | 85 | 90 | 79 | |
2000 | 1000 | 850 | 1400 | 1700 | 2250 | 2150 | 2350 | 400 | 1150 | 1050 | 1800 | 2050 | 1650 | 1950 | 1750 | 1000 | 1400 | |
8:04 | — | — | 8:04 | — | — | 8:06 | — | — | 8:06 | — | — | 8:07 | — | — | 8:07 | — | — | |
— | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:01 | — | — | 5:01 | — | — | 5:02 | — | |
Kommande 0-3dagarnas väderöversikt:
spö-
regn (Totalt 40.0mm), huvudsakligen faller Wed morning. Blir kallare med ett lätt snötäcke, som mestadels faller på ons morgon. Frys-tö förhållanden (max 6°C på ons morgon, min -12°C på fre kväll). minskande vindar (starka vindar från Väster på ons morgon, stilla senast tors morgon).
Kommande 4-6dagarnas väderöversikt:
Ett lätt täcke utav nysnö på lör kväll som övergår i duggregn på sön eftermiddag. Frys-tö förhållanden (max 2°C på sön eftermiddag, min -12°C på lör morgon). med övervägande lätta vindar.
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Snöradar
Senaste snörapporterna nära Sun Valley:
Sun ValleySnöförhållanden
| Top snow depth: | 94 cm |
|---|---|
| Bottom snow depth: | 91 cm |
| Fresh snowfall depth: | 10 cm |
| Last snowfall: | 16 Dec 2025 |
Other resorts in USA - Idaho are reporting: powder (0) / good piste (0)
Snöhistoria
Vecka3 iDecember har i medeltal:
0.2 | Bluebird Pudersnö-dagar Nysnö, mest soligt, lätt vind. |
|---|---|
1.5 | Pudersnö-dagar Nysnö, halvsoligt, växlande vindar. |
0.8 | Bluebird dagar Genomsnittlig snö, mest soligt, lätt vind. |
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Foton från Sun Valley
Sawtooth Range by Tom
the bowls by David Boock
Sun Valley by Tom
Ladda upp ett nytt foto Other resorts in USA - Idaho are reporting: powder (0) / good piste (0)
Tabellen ovanför visar väderprognosen förSun Valley vid1744 mhöjd. Våra avancerade vädermodeller tillåter oss att ge väderprognoser för toppen, mitten och botten utav backarna vid Sun Valley. För att se vädret vid andra höjder, använd tabbnavigeraren ovanför tabellen. För en mera omfattande väderprognos, kolla in väderkartan för United States.
Klicka här för mer information om frysningspunkter och hur vi fastställer våra temperaturer
Visitor Reviews of Sun Valley
Övergripande 4.5 Baserat på 9 röster och 9 recensioner
- Snösäkert
- Variation av backar
- Rösta
- Michael Wilko from Australia writes:
Sun Valley is a riders mountain with 3,300 ft of vertical that you can ski every run. The big mountains like, Whistler, Jackson, Snowbird etc have lots of steeper runs that are broken up with a traverse along cat tracks to get to the next run. Sun Valley gets different weather systems to the Rockys but as most weather comes across deserts to get there, it can be as dry as the best. With no major mountains to block the weather systems, Sun Valley doesn't get as much snow as would like, but this is made up for by one of the best man made snow facilities anywhere in the world. Many a time have I driven from New Mexico to British Columbia looking for snow only to find top to bottom skiing in Sun Valley on man made snow with always perfectly groomed corduroy runs. If you are a wimp like me that doesn't enjoy skiing in temps below 20 degrees zero, enjoy the climate of one of Nth Americas finest. My tip for the serious snow rider is Dec / Jan Niseko Japan, Feb / March Sun Valley, Idaho.
Visitor Reviews of Sun Valley
Michael Wilko from Australia writes:
Sun Valley is a riders mountain with 3,300 ft of vertical that you can ski every run. The big mountains like, Whistler, Jackson, Snowbird etc have lots of steeper runs that are broken up with a traverse along cat tracks to get to the next run. Sun Valley gets different weather systems to the Rockys but as most weather comes across deserts to get there, it can be as dry as the best. With no major mountains to block the weather systems, Sun Valley doesn't get as much snow as would like, but this is made up for by one of the best man made snow facilities anywhere in the world. Many a time have I driven from New Mexico to British Columbia looking for snow only to find top to bottom skiing in Sun Valley on man made snow with always perfectly groomed corduroy runs. If you are a wimp like me that doesn't enjoy skiing in temps below 20 degrees zero, enjoy the climate of one of Nth Americas finest. My tip for the serious snow rider is Dec / Jan Niseko Japan, Feb / March Sun Valley, Idaho.
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