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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Chestnut Mountain at 317 m altitude
Issued by Snow-Forecast.com at: 11 pm (local time) / 17 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  |  | | | | | | |
light rain | mod. rain | some clouds | light snow | some clouds | light snow | cloudy | light rain | some clouds | some clouds | clear | clear | light snow | light snow | some clouds | cloudy | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | |
1 | 7 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
max °C | 7 | 8 | 0 | -10 | -6 | -3 | 3 | 3 | 2 | 0 | -6 | -5 | -2 | 1 | 2 | 3 |
min °C | 3 | 3 | -5 | -11 | -9 | -4 | -3 | 3 | -1 | -9 | -9 | -5 | -6 | -1 | 1 | 0 |
-2 | -3 | -14 | -22 | -18 | -9 | -9 | -2 | -7 | -18 | -17 | -9 | -10 | -8 | -4 | -4 | |
79 | 100 | 69 | 82 | 60 | 43 | 53 | 68 | 48 | 49 | 55 | 41 | 51 | 46 | 51 | 73 | |
3050 | 2000 | 250 | 0 | 0 | 0 | 0 | 2050 | 700 | 0 | 0 | 0 | 0 | 0 | 3100 | 0 | |
 | — | 7:24 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — | 7:26 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — |
Next 0-3 days weather summary:
Light rain (total 9.0mm), mostly falling on Thu morning. Freeze-thaw conditions (max 8°C on Thu morning, min -11°C on Thu night). Winds decreasing (strong winds from the W on Thu afternoon, light winds from the WSW by Fri afternoon).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 7°C on Tue morning, min -9°C on Sat night). Winds decreasing (fresh winds from the WNW on Sat night, calm by Sun afternoon).
Popular Chestnut Mountain Pages
Snow Radar
Latest snow reports near Chestnut Mountain:
Chestnut Mountain Snow Conditions
| Top snow depth: | 91 cm |
|---|---|
| Bottom snow depth: | 66 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Illinois are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
1.5 | Bluebird days Average snow, mostly sunny, light wind. |
Chestnut Mountain Forecast Snowfall
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Other resorts in USA - Illinois are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Chestnut Mountain at the specific elevation of 317 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Chestnut Mountain. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Chestnut Mountain
- Juan from Spain writes:
I was at Chestnut Mountain just once. It was the only resort I had close enough from work (Lena, IL). I ski there last Dec. 2nd 2008, and got the early season special "the date is the price" so I ski for $2 (cheapest I ever had). First thing I can say is that the views of the Mississipi river are just amazing. With a nice ski rental service and good lifts you can enjoy of the resort with no complain. The runs are short but, in some of the cases, real black ones. So even though it is a little resort, the well prepared runs have 100% snow making and lights. I could say it is a nice place to stop by if you are in the area, you'll get surprised.
Visitor Reviews of Chestnut Mountain
Juan from Spain writes:
I was at Chestnut Mountain just once. It was the only resort I had close enough from work (Lena, IL). I ski there last Dec. 2nd 2008, and got the early season special "the date is the price" so I ski for $2 (cheapest I ever had).
First thing I can say is that the views of the Mississipi river are just amazing.
With a nice ski rental service and good lifts you can enjoy of the resort with no complain. The runs are short but, in some of the cases, real black ones. So even though it is a little resort, the well prepared runs have 100% snow making and lights. I could say it is a nice place to stop by if you are in the area, you'll get surprised.
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