Snow
Global Weekly Snow Roundup #314
Weekly Global Snow News, updated 14 May 2026: Fresh snowfall in Argentina, Australia and Lesotho signals winter’s approach, while Japan maintains the world’s deepest snowpack.
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Koumi Riekkusu Ski Valley at 1400 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 15 May 2026
Now
Next 3 days weather summary:Mostly dry. Warm (max 23°C on Mon morning, min 7°C on Fri night). Wind will be generally light. | Days 4-6 weather summary:Light rain (total 7.0mm), mostly falling on Tue night. Warm (max 23°C on Mon afternoon, min 10°C on Wed night). Wind will be generally light. | ||||||||||||||||
Fri 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | | | | | | | |  |  |  |  |  | |
clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | clear | clear | rain shwrs | rain shwrs | light rain | cloudy | cloudy | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 2 | — | — | |
max °C | 17 | 9 | 18 | 18 | 10 | 19 | 19 | 12 | 23 | 23 | 14 | 22 | 22 | 14 | 15 | 15 | 11 |
min °C | 12 | 7 | 15 | 14 | 8 | 16 | 16 | 10 | 19 | 17 | 12 | 18 | 17 | 11 | 11 | 13 | 10 |
11 | 7 | 15 | 14 | 7 | 16 | 16 | 9 | 19 | 17 | 12 | 18 | 17 | 10 | 11 | 13 | 10 | |
33 | 77 | 32 | 28 | 54 | 35 | 36 | 78 | 51 | 35 | 73 | 56 | 32 | 76 | 91 | 57 | 85 | |
3300 | 3500 | 3500 | 3500 | 3550 | 3400 | 3600 | 4150 | 4400 | 4250 | 4300 | 4250 | 4150 | 3900 | 3650 | 3300 | 3400 | |
 | — | — | 4:39 | — | — | 4:39 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — |
 | 6:44 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — | 6:46 | — | — | 6:47 | — |
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Snow Radar
Latest snow reports near Koumi Riekkusu Ski Valley:
Koumi Riekkusu Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 3 of May has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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 (0) / good piste (0)
The above table gives the weather forecast for Koumi Riekkusu Ski Valley at the specific elevation of 1400 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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