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Japan Weekly Snow Roundup #304
Weekly Snow News for Japan, updated 4 March 2026: Japan's ski season transitions to spring, with Hokkaido's powder still reliable but Honshu seeing warmer temperatures, rain, and softening snow.
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Sun Valley at 2780 m altitude
Issued by Snow-Forecast.com at: 10 am (local time) / 05 Mar 2026
Sun Valley Weather
(Next 3 days):
Sun Valley Weather (Days 4-6):
Mostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -7°C on Tue night). Winds increasing (light winds from the WNW on Sun morning, strong winds from the W by Mon night).Sun Valley Weather (Days 7-16):
Now
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | | | | |  | | | | |  | | |
light snow | light snow | snow shwrs | clear | clear | some clouds | some clouds | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -6 | -7 | -8 | -5 | -4 | -2 | -2 | 1 | 1 | 1 | -1 | -2 | -1 | -2 | -6 | -5 | -6 |
min °C | -8 | -6 | -9 | -9 | -6 | -6 | -3 | -2 | -1 | 0 | 1 | -1 | -2 | -2 | -5 | -6 | -6 | -7 |
-16 | -13 | -18 | -17 | -10 | -10 | -7 | -5 | -5 | -4 | -3 | -6 | -7 | -9 | -14 | -14 | -14 | -16 | |
79 | 78 | 68 | 55 | 55 | 37 | 60 | 90 | 58 | 52 | 64 | 39 | 51 | 84 | 61 | 30 | 28 | 56 | |
1850 | 2000 | 1150 | 1800 | 2150 | 1350 | 2400 | 2500 | 3100 | 2950 | 2900 | 2450 | 2500 | 2500 | 2100 | 2050 | 2100 | 1750 | |
 | 7:07 | — | — | 7:05 | — | — | 7:03 | — | — | 8:01 | — | — | 7:00 | — | — | 6:58 | — | — |
 | — | 6:30 | — | — | 6:31 | — | — | 6:32 | — | — | 7:34 | — | — | 6:35 | — | — | 6:37 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat night, min -9°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 1°C on Sun morning, min -7°C on Tue night). Winds increasing (light winds from the WNW on Sun morning, strong winds from the W by Mon night).
Popular Sun Valley Pages
Snow Radar
Latest snow reports near Sun Valley:
Sun Valley Snow Conditions
| Top snow depth: | 188 cm |
|---|---|
| Bottom snow depth: | 117 cm |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 4 Mar 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Idaho are reporting: powder (3) / good piste (4)
Snow History
Week 1 of March has on average:
1.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
2.4 | Bluebird days Average snow, mostly sunny, light wind. |
Sun Valley Forecast Snowfall
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Photos of Sun Valley
Sawtooth Range by Tom
the bowls by David Boock
Sun Valley by Tom
Upload new photo Other resorts in USA - Idaho are reporting: powder (3) / good piste (4)
The above table gives the weather forecast for Sun Valley at the specific elevation of 2780 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Valley. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Sun Valley
Overall 4.4 Based on 19 votes and 9 reviews
- Snowsure
- Variety of pistes
- Vote
- Dave from United States writes:
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.
Visitor Reviews of Sun Valley
Dave from United States writes:
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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