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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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Chateau Shiozawa at 579 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 18 Jan 2026
Now
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | |  | |  |  | | | |  | | |
some clouds | clear | cloudy | cloudy | mod. snow | mod. snow | mod. snow | mod. snow | snow shwrs | snow shwrs | heavy snow | heavy snow | mod. snow | heavy snow | snow shwrs | light snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 6 | 8 | 8 | 10 | 3 | 1 | 24 | 13 | 9 | 13 | 4 | 2 | 15 | |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 1 | 6 | 5 | 2 | -5 | -6 | -7 | -5 | -5 | -6 | -6 | -6 | -7 | -4 | -4 | -4 |
min °C | -2 | -1 | 4 | 3 | -3 | -5 | -6 | -8 | -6 | -8 | -7 | -6 | -7 | -7 | -5 | -5 | -5 |
-2 | -3 | 3 | 3 | -9 | -11 | -14 | -14 | -11 | -11 | -7 | -12 | -15 | -15 | -9 | -7 | -7 | |
76 | 75 | 63 | 75 | 98 | 95 | 95 | 93 | 84 | 70 | 96 | 95 | 91 | 93 | 83 | 79 | 96 | |
550 | 0 | 1550 | 1300 | 850 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:52 | — | — | 4:53 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:59 | — |
Next 0-3 days weather summary:
Drizzle on Mon night followed by colder weather and a heavy fall of snow, heaviest during Mon night. Freeze-thaw conditions (max 6°C on Mon morning, min -8°C on Tue 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 Sat morning, min -8°C on Wed afternoon). Mainly fresh winds.
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Latest snow reports near Chateau Shiozawa:
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23 hours agoSnow falling at Shiga Kogen-Higashitateyama. from Shiga Kogen-Higashitateyama
Chateau Shiozawa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 17 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (1)
Snow History
Week 3 of January has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.5 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Chateau Shiozawa Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Chateau Shiozawa at the specific elevation of 579 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Chateau Shiozawa. 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.
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