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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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Shiga Kogen-Ichinose Diamond at 1656 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 17 Jan 2026
Now
Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  | | | | | |  | |  |  | |
clear | light snow | snow shwrs | clear | some clouds | clear | some clouds | cloudy | mod. snow | light snow | light snow | snow shwrs | clear | some clouds | heavy snow | light snow | mod. snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 2 | 2 | — | — | — | — | — | 5 | 4 | 4 | 1 | — | — | 13 | 5 | 5 | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | -1 | -5 | -4 | -4 | -4 | 0 | 0 | -3 | -11 | -12 | -14 | -11 | -10 | -12 | -13 | -13 | -13 |
min °C | 0 | -4 | -8 | -6 | -5 | -5 | -2 | -2 | -9 | -11 | -13 | -15 | -13 | -13 | -14 | -14 | -13 | -15 |
-5 | -10 | -14 | -12 | -5 | -9 | -5 | -6 | -17 | -20 | -21 | -23 | -20 | -17 | -23 | -22 | -21 | -22 | |
38 | 78 | 89 | 66 | 74 | 68 | 56 | 68 | 97 | 84 | 79 | 84 | 61 | 61 | 95 | 91 | 86 | 85 | |
1650 | 1600 | 500 | 650 | 1000 | 700 | 1350 | 1600 | 1100 | 0 | 0 | 0 | 0 | 200 | 0 | 0 | 0 | 0 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:53 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — | — | 4:59 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 1°C on Sat morning, min -9°C on Mon night). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -10°C on Wed afternoon, min -15°C on Tue night). Wind will be generally light.
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Latest snow reports near Shiga Kogen-Ichinose Diamond:
34 km away from Shiga Kogen-Ichinose Diamond
7 hours ago
Great snow conditions throughout area. Great weather, no clouds in sight. from Ikenotaira Onsen Alpenblick
Shiga Kogen-Ichinose Diamond Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 21 cm |
| Last snowfall: | 15 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (1) / good piste (1)
Snow History
Week 3 of January has on average:
2.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.8 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Ichinose Diamond Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Shiga Kogen-Ichinose Diamond at the specific elevation of 1656 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Ichinose Diamond. 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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