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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: 2 am (local time) / 16 Jan 2026
Now
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  | |  |  |  | | | | |  | |
snow shwrs | some clouds | clear | clear | snow shwrs | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | cloudy | light snow | light snow | light snow | light snow | light snow | snow shwrs | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 4 | — | — | — | — | — | 2 | 4 | 3 | 4 | 1 | 2 | 8 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -2 | -2 | 0 | -1 | -5 | -6 | -6 | -6 | -1 | -1 | -3 | -6 | -10 | -12 | -13 | -12 | -14 |
min °C | -3 | -5 | -4 | 0 | -3 | -9 | -8 | -8 | -7 | -4 | -3 | -5 | -7 | -12 | -15 | -14 | -14 | -15 |
-9 | -9 | -8 | -5 | -8 | -16 | -14 | -13 | -11 | -7 | -6 | -11 | -14 | -20 | -24 | -22 | -20 | -22 | |
81 | 73 | 50 | 41 | 78 | 87 | 79 | 76 | 61 | 58 | 70 | 83 | 93 | 90 | 85 | 74 | 74 | 88 | |
1150 | 1350 | 950 | 1600 | 1500 | 350 | 300 | 600 | 0 | 1000 | 1450 | 950 | 600 | 0 | 0 | 0 | 0 | 0 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — |
 | — | 4:52 | — | — | 4:53 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — |
Next 0-3 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max 0°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 -1°C on Mon morning, min -15°C on Tue night). Wind will be generally light.
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Latest snow reports near Shiga Kogen-Ichinose Diamond:
33 km away from Shiga Kogen-Ichinose Diamond
1 hour ago
Continuous 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
33 km away from Shiga Kogen-Ichinose Diamond
2 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 higher elevations in the ski area from Iizuna Kogen
Shiga Kogen-Ichinose Diamond Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 17 cm |
| Last snowfall: | 15 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
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 (3) / good piste (3)
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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