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North America Weekly Snow Roundup #291
Weekly Snow News for North America, updated December 3, 2025: Season start remains challenging with light snowfall across the west; East Coast leads with deeper bases.
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Koshi Kogen at 444 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 04 Dec 2025
Now
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | |  |  |  | | |  |  |  |  | | |  | |
light snow | light snow | snow shwrs | heavy snow | mod. snow | snow shwrs | clear | some clouds | clear | some clouds | some clouds | some clouds | light rain | mod. rain | mod. snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 2 | 9 | 11 | 6 | 2 | — | — | — | — | — | — | — | — | 6 | 2 | 2 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 6 | 4 | — | — | — | |
max °C | -1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 3 | 3 | 3 | 5 | 4 | 2 | 1 | 1 | 1 |
min °C | -2 | -2 | -4 | -1 | 0 | -2 | 1 | 1 | -1 | 2 | 2 | 2 | 4 | 3 | 1 | 1 | 1 | 0 |
-9 | -7 | -9 | -4 | -4 | -4 | -1 | -1 | -4 | 0 | -1 | -1 | 1 | 0 | -2 | -2 | -3 | -2 | |
83 | 82 | 73 | 98 | 96 | 96 | 83 | 82 | 69 | 82 | 90 | 80 | 89 | 92 | 92 | 91 | 87 | 90 | |
0 | 400 | 0 | 400 | 450 | 400 | 600 | 1100 | 0 | 1550 | 1650 | 1650 | 1650 | 1250 | 700 | 600 | 600 | 550 | |
 | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Sat morning, min -4°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri morning).
Next 4-6 days weather summary:
Moderate rain (total 11.0mm), heaviest on Mon afternoon giving way to a moderate fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 5°C on Mon morning, min 0°C on Tue night). Wind will be generally light.
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Latest snow reports near Koshi Kogen:
43 km away from Koshi Kogen
8 hours ago
Snow falling in Kayama Captain Coast. from Kayama Captain Coast
Koshi Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 16 cm |
| Last snowfall: | 3 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 1 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Koshi Kogen Forecast Snowfall
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Photos of Koshi Kogen
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Koshi Kogen at the specific elevation of 444 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Koshi Kogen. 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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