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North America Weekly Roundup #298
Updated June 18, 2025: Mammoth and A-Basin end epic 7-month runs; just two U.S. ski spots still open—don’t miss your final summer turns!
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Sun Valley (Nagano) at 1420 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 19 Jun 2025
Now
Thu 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | ||||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  | | |  |  | | |  |  | | | | | | |
risk thun- der | some clouds | risk thun- der | risk thun- der | rain shwrs | some clouds | rain shwrs | some clouds | some clouds | light rain | mod. rain | light rain | rain shwrs | clear | clear | rain shwrs | clear | rain shwrs | risk thun- der | rain shwrs | |
km/h | ||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
2 | — | 1 | 3 | 1 | — | 1 | — | — | 3 | 10 | 3 | 2 | — | — | 1 | — | 1 | 2 | 1 | |
max°C | 21 | 16 | 22 | 21 | 16 | 23 | 24 | 16 | 23 | 21 | 16 | 15 | 17 | 15 | 23 | 20 | 17 | 21 | 20 | 17 |
min°C | 19 | 15 | 21 | 18 | 15 | 20 | 19 | 15 | 21 | 17 | 14 | 15 | 16 | 13 | 20 | 18 | 15 | 21 | 18 | 16 |
19 | 15 | 21 | 18 | 15 | 20 | 19 | 15 | 21 | 17 | 14 | 15 | 16 | 13 | 20 | 18 | 15 | 21 | 18 | 16 | |
69 | 89 | 76 | 66 | 87 | 70 | 50 | 84 | 52 | 65 | 93 | 99 | 84 | 83 | 65 | 66 | 87 | 72 | 77 | 88 | |
4550 | 4550 | 4500 | 4650 | 4900 | 5100 | 4850 | 5150 | 5100 | 4800 | 4600 | 4250 | 4250 | 4550 | 4650 | 4600 | 4700 | 4750 | 4700 | 4750 | |
 | — | — | 4:26 | — | — | 4:26 | — | — | 4:26 | — | — | 4:26 | — | — | 4:28 | — | — | 4:28 | — | — |
 | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — |
Next 0-3 days weather summary:
Light rain (total 8.0mm), mostly falling on Fri afternoon. Warm (max 24°C on Sat afternoon, min 15°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 20.0mm), heaviest during Sun night. Warm (max 23°C on Tue morning, min 13°C on Mon night). Wind will be generally light.
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Latest snow reports near Sun Valley (Nagano):
Sun Valley (Nagano) Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 28 Apr 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
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Snow History
Week 3 of June has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Sun Valley (Nagano) Forecast Snowfall
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Photos of Sun Valley (Nagano)
Upload new photo Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Sun Valley (Nagano) at the specific elevation of 1420 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Valley (Nagano). 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.
Visitor Reviews of Sun Valley (Nagano)
Free Snow-Forecast.com weather widget for your website
The Sun Valley (Nagano) skiing weather widget is available to embed on external websites free of charge. It provides a daily summary of our Sun Valley (Nagano) snow forecast and current weather conditions. Simply go to the feed configuration page and follow the 3 simple steps to grab the custom html code snippet and paste it into your own site. You can choose the snow forecast elevation (summit, mid-mountain or bottom lift) and metric/imperial units for the snow forecast feed to suit your own website…. Click here to get the code.
View detailed snow forecast for Sun Valley (Nagano) at:
snow-forecast.com
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