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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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Nanao Korosa at 390 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 18 Jan 2026
Now
Sun 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | | | | | | | | | |
clear | some clouds | cloudy | light rain | light snow | light snow | snow shwrs | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 3 | 1 | 1 | 1 | — | 1 | 4 | 1 | 1 | 4 | 2 | 2 | 2 | |
— | — | — | 2 | 9 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 4 | 8 | 7 | 5 | -4 | -4 | -4 | -3 | -2 | -4 | -3 | -4 | -4 | -3 | -1 | -1 |
min °C | 3 | 4 | 5 | 6 | -3 | -5 | -5 | -5 | -4 | -4 | -5 | -5 | -4 | -5 | -4 | -1 | -2 |
-2 | 1 | 2 | 2 | -10 | -12 | -11 | -11 | -4 | -9 | -12 | -13 | -12 | -5 | -7 | -7 | -9 | |
60 | 63 | 71 | 76 | 96 | 90 | 71 | 74 | 80 | 62 | 86 | 73 | 65 | 76 | 92 | 91 | 80 | |
1100 | 1550 | 1550 | 1250 | 1050 | 0 | 0 | 0 | 0 | 200 | 0 | 0 | 0 | 0 | 0 | 200 | 150 | |
 | — | — | 7:03 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — |
 | 5:00 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — |
Next 0-3 days weather summary:
Mild with moderate rain (total 11.0mm) on Mon night, Becoming colder with a light covering of snow, mostly falling on Mon night. Freeze-thaw conditions (max 8°C on Mon morning, min -5°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon afternoon, calm by Wed morning).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max -1°C on Fri afternoon, min -5°C on Wed night). Winds increasing (calm on Thu night, fresh winds from the W by Fri night).
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Latest snow reports near Nanao Korosa:
Nanao Korosa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 14 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Ishikawa are reporting: powder (0) / good piste (0)
Snow History
Week 3 of January has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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 390 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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