Shiga Kogen-Ichinose Diamond Weather (Next 3 days): The snow forecast for Shiga Kogen-Ichinose Diamond is: A light covering of new snow on Thu morning turning to drizzle on Sat afternoon. Freeze-thaw conditions (max 4°C on Fri afternoon, min -3°C on Thu night). Wind will be generally light.
Shiga Kogen-Ichinose Diamond Weather (Days 4-6): Heavy rain (total 32.0mm), heaviest during Mon night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Sat night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 0 | |
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  |  | |  |  |  |  | | |  |  | |  | |
light snow | light snow | light snow | snow shwrs | clear | clear | some clouds | cloudy | snow shwrs | clear | clear | clear | cloudy | light rain | cloudy | heavy rain | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
4 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | 2 | — | 18 | |
max °C | 0 | 1 | 0 | -1 | 3 | 4 | 1 | 4 | 4 | 0 | 5 | 6 | 3 | 6 | 6 | 5 |
min °C | 0 | 0 | -1 | -3 | 1 | 1 | -1 | 2 | 1 | -1 | 2 | 4 | 2 | 2 | 5 | 3 |
-4 | -2 | -3 | -3 | 0 | 1 | -3 | -1 | 0 | -1 | 2 | 2 | -1 | -2 | 2 | 1 | |
97 | 98 | 99 | 79 | 57 | 42 | 81 | 68 | 63 | 79 | 43 | 40 | 78 | 91 | 80 | 95 | |
1700 | 1750 | 1650 | 1400 | 1750 | 2100 | 1750 | 1900 | 2100 | 1500 | 2050 | 2400 | 2250 | 2050 | 2500 | 2550 | |
 | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — | 5:35 | — | — |
 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — | — | 6:04 | — | — | 6:05 | — |
A light covering of new snow on Thu morning turning to drizzle on Sat afternoon. Freeze-thaw conditions (max 4°C on Fri afternoon, min -3°C on Thu night). Wind will be generally light.
Heavy rain (total 32.0mm), heaviest during Mon night. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Sat night). Wind will be generally light.
Latest snow reports near Shiga Kogen-Ichinose Diamond:
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
Light rain reported from Karuizawa at 1018 metres elevation 8 kms SE of Asama 2000 Park but it is forecast cold enough for snow at the ski area from Asama 2000 Park
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 20 Mar 2026 |
| Snow Alerts | Create Alert |
1.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
0.3 | 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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