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North America Weekly Snow Roundup #297
Weekly Snow News for North America, updated 15 January 2026: California nears full opening after seven-foot storms, while Rockies and Northeast enjoy long-awaited midwinter snow.
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Sun Valley (Nagano) at 1510 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 16 Jan 2026
Now
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  |  |  | | | | | |  | |
clear | clear | light snow | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | cloudy | light snow | light snow | light snow | snow shwrs | snow shwrs | snow shwrs | heavy snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 3 | — | — | — | — | — | 4 | 3 | 3 | 2 | — | — | 17 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 2 | 1 | -4 | -5 | -5 | -4 | -1 | 0 | -3 | -9 | -10 | -12 | -11 | -10 | -11 |
min °C | -4 | 1 | -2 | -9 | -7 | -7 | -6 | -2 | -2 | -7 | -10 | -12 | -15 | -12 | -11 | -13 |
-6 | -3 | -6 | -14 | -12 | -7 | -6 | -4 | -2 | -13 | -17 | -19 | -22 | -19 | -16 | -22 | |
57 | 37 | 78 | 94 | 81 | 84 | 72 | 58 | 63 | 96 | 89 | 84 | 91 | 72 | 61 | 94 | |
900 | 1650 | 1600 | 400 | 400 | 750 | 350 | 1200 | 1550 | 900 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | — | 4:53 | — | — | 4:54 | — | — | 4:55 | — | — | 4:58 | — | — | 4:59 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat morning, min -9°C on Sat night). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -3°C on Mon night, min -15°C on Tue night). Wind will be generally light.
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Latest snow reports near Sun Valley (Nagano):
33 km away from Sun Valley (Nagano)
18 hours ago
Great skiing on well groomed pistes. Slopes suffering in the rain. from Ikenotaira Onsen Alpenblick
31 km away from Sun Valley (Nagano)
18 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
31 km away from Sun Valley (Nagano)
21 hours agoContinuous light rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Sun Valley (Nagano) Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 19 cm |
| Last snowfall: | 15 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 3 of January has on average:
1.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.6 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Sun Valley (Nagano) Forecast Snowfall
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Photos of Sun Valley (Nagano)
Upload new photo Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Sun Valley (Nagano) at the specific elevation of 1510 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Valley (Nagano). 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 Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Sun Valley (Nagano)
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