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Shiga Kogen-Ichinose Diamond Weather (Next 3 days): The snow forecast for Shiga Kogen-Ichinose Diamond is: A light covering of new snow on Wed night turning to drizzle on Fri night. Freeze-thaw conditions (max 5°C on Fri afternoon, min -6°C on Wed night). Wind will be generally light.
Shiga Kogen-Ichinose Diamond Weather (Days 4-6): Mild at first with light rain (total 3.0mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun morning, min -6°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 0 | |
Latest snow reports near Shiga Kogen-Ichinose Diamond:
No clouds over Naeba today. No wind here. Temperatures are around freezing. A dusting of new snow. Only some lifts are open. from Naeba
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  | |  |  | |  |  |  | | |  |  | |  | | |
light snow | mod. snow | snow shwrs | snow shwrs | clear | clear | clear | rain shwrs | some clouds | rain shwrs | clear | clear | light rain | light snow | light snow | mod. snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | 8 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 9 | 4 | |
— | — | — | — | — | — | — | 1 | — | 1 | — | — | 1 | 1 | — | — | — | |
max °C | 0 | -3 | -5 | -4 | 0 | 3 | 5 | 5 | 5 | 5 | 6 | 7 | 6 | 3 | -1 | -2 | -4 |
min °C | -2 | -6 | -6 | -5 | -3 | 1 | 3 | 5 | 5 | 5 | 5 | 7 | 5 | -1 | -1 | -3 | -6 |
-6 | -11 | -12 | -10 | -6 | -2 | 0 | 2 | 2 | 2 | 2 | 4 | 3 | -4 | -4 | -6 | -11 | |
84 | 96 | 86 | 83 | 51 | 36 | 50 | 29 | 84 | 85 | 64 | 69 | 94 | 98 | 98 | 99 | 99 | |
1650 | 700 | 750 | 800 | 950 | 2000 | 2400 | 2600 | 2500 | 2600 | 2750 | 2850 | 2700 | 1900 | 1350 | 1250 | 900 | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
A light covering of new snow on Wed night turning to drizzle on Fri night. Freeze-thaw conditions (max 5°C on Fri afternoon, min -6°C on Wed night). Wind will be generally light.
Mild at first with light rain (total 3.0mm) on Sat afternoon followed by colder weather and light fall of snow, heaviest on Mon afternoon. Freeze-thaw conditions (max 7°C on Sun morning, min -6°C on Mon night). Wind will be generally light.
Latest snow reports near Shiga Kogen-Ichinose Diamond:
No clouds over Naeba today. No wind here. Temperatures are around freezing. A dusting of new snow. Only some lifts are open. from Naeba
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
2.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
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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