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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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Shiga Kogen-Takamagahara Mammoth at 1862 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 18 Jan 2026
Now
Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | | |  |  | |  |  | | | |
clear | clear | clear | cloudy | cloudy | mod. snow | light snow | light snow | light snow | clear | light snow | heavy snow | mod. snow | light snow | snow shwrs | some clouds | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 5 | 4 | 3 | 1 | — | 2 | 16 | 8 | 4 | 3 | — | 1 | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -4 | -4 | -1 | -1 | -3 | -12 | -13 | -15 | -13 | -13 | -15 | -15 | -16 | -17 | -13 | -12 | -13 |
min °C | -6 | -5 | -5 | -2 | -3 | -10 | -12 | -14 | -16 | -14 | -15 | -15 | -16 | -16 | -17 | -15 | -12 | -13 |
-14 | -9 | -10 | -7 | -8 | -19 | -22 | -25 | -26 | -23 | -22 | -23 | -26 | -27 | -29 | -23 | -19 | -22 | |
64 | 65 | 63 | 54 | 66 | 95 | 79 | 70 | 76 | 59 | 71 | 96 | 95 | 91 | 95 | 75 | 87 | 92 | |
650 | 1000 | 750 | 1500 | 1750 | 1000 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 150 | 0 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Mon night. Temperatures will be below freezing (max -1°C on Mon morning, min -16°C on Tue night). Mainly fresh winds.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Wed night. Extremely cold (max -12°C on Fri afternoon, min -17°C on Thu night). Mainly fresh winds.
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Latest snow reports near Shiga Kogen-Takamagahara Mammoth:
33 km away from Shiga Kogen-Takamagahara Mammoth
11 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
49 km away from Shiga Kogen-Takamagahara Mammoth
11 hours agoContinuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
Shiga Kogen-Takamagahara Mammoth Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 17 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (1) / good piste (1)
Snow History
Week 3 of January has on average:
2.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
1.1 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Takamagahara Mammoth Forecast Snowfall
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Shiga Kogen-Takamagahara Mammoth
Upload new photo Other resorts in Japan - Nagano are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Shiga Kogen-Takamagahara Mammoth at the specific elevation of 1862 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Takamagahara Mammoth. 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.
Resort name is also written as Takamagahara Mammoth.
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