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Japan Weekly Roundup #302
Weekly Snow News for Japan, updated 19 February 2026: Honshu and Hokkaido remain in excellent midwinter shape with regular snowfall and deep bases.
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Nanao Korosa at 320 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 20 Feb 2026
Nanao Korosa Weather
(Next 3 days):
Nanao Korosa Weather (Days 4-6):
Heavy rain (total 40.0mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Wed night, min 3°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Mon night).Nanao Korosa Weather (Days 7-16):
Now
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | |  | | |  |  |  |  | |
some clouds | cloudy | clear | some clouds | clear | clear | clear | clear | rain shwrs | clear | clear | cloudy | cloudy | cloudy | heavy rain | mod. rain | heavy rain | mod. rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 4 | — | — | — | — | — | 12 | 8 | 13 | 7 | |
max °C | 4 | 5 | 3 | 9 | 10 | 6 | 13 | 14 | 11 | 6 | 6 | 4 | 7 | 7 | 6 | 7 | 8 | 9 |
min °C | 2 | 3 | 3 | 6 | 7 | 5 | 8 | 11 | 5 | 5 | 4 | 3 | 6 | 7 | 6 | 7 | 7 | 8 |
2 | 1 | 0 | 4 | 5 | 3 | 6 | 9 | 0 | 0 | 0 | 2 | 3 | 4 | 2 | 3 | 4 | 5 | |
51 | 43 | 62 | 57 | 36 | 50 | 45 | 37 | 67 | 56 | 47 | 57 | 63 | 69 | 95 | 94 | 98 | 98 | |
750 | 1100 | 1050 | 1400 | 1700 | 2300 | 2450 | 2600 | 2350 | 900 | 1150 | 1500 | 2150 | 2100 | 2400 | 2400 | 2500 | 2650 | |
 | 6:35 | — | — | 6:33 | — | — | 6:33 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — |
 | — | 5:36 | — | — | 5:37 | — | — | 5:37 | — | — | 5:38 | — | — | 5:39 | — | — | 5:40 | — |
Next 0-3 days weather summary:
Light rain (total 4.0mm), mostly falling on Sun night. Very mild (max 14°C on Sun afternoon, min 2°C on Fri morning). Winds increasing (calm on Fri morning, strong winds from the W by Sun night).
Next 4-6 days weather summary:
Heavy rain (total 40.0mm), heaviest during Wed afternoon. Mild temperatures (max 9°C on Wed night, min 3°C on Mon night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Mon night).
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Latest snow reports near Nanao Korosa:
Nanao Korosa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Ishikawa are reporting: powder (0) / good piste (0)
Snow History
Week 3 of February has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Nanao Korosa Forecast Snowfall
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Other resorts in Japan - Ishikawa are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Nanao Korosa at the specific elevation of 320 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Nanao Korosa. 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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