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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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Koumi Riekkusu Ski Valley at 1590 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 | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | snow shwrs | some clouds | some clouds | clear | clear | light snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 3 | 3 | -1 | -1 | 0 | -3 | 1 | 2 | -2 | -3 | -5 | -10 | -9 | -8 | -10 |
min °C | 1 | 1 | 1 | -5 | -4 | -3 | -3 | -2 | -1 | -3 | -4 | -8 | -13 | -11 | -9 | -12 |
-3 | -4 | -4 | -12 | -10 | -6 | -7 | -6 | -5 | -9 | -10 | -15 | -20 | -17 | -16 | -18 | |
29 | 28 | 49 | 85 | 56 | 45 | 76 | 59 | 56 | 90 | 85 | 60 | 68 | 45 | 37 | 81 | |
1700 | 1800 | 1900 | 1000 | 950 | 1650 | 1000 | 1300 | 1850 | 1150 | 900 | 850 | 0 | 0 | 550 | 100 | |
 | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 3°C on Sat morning, min -5°C on Sat night). Winds decreasing (fresh winds from the W on Sat morning, light winds from the WNW by Sun afternoon).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -2°C on Mon night, min -13°C on Tue night). Wind will be generally light.
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Latest snow reports near Koumi Riekkusu Ski Valley:
24 km away from Koumi Riekkusu Ski Valley
16 hours ago
Rain and snow or hail reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine Ski Resort from Kirigamine
24 km away from Koumi Riekkusu Ski Valley
20 hours agoContinuous light rain reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine but it is forecast cold enough for snow at the ski area from Kirigamine
Koumi Riekkusu Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 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:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
3.1 | Bluebird days Average snow, mostly sunny, light wind. |
Koumi Riekkusu Ski Valley Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Koumi Riekkusu Ski Valley at the specific elevation of 1590 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Koumi Riekkusu Ski 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 Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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