A weather-model figure, worked out the same way for every ski area, and lower than what actually falls. Use it to compare ski areas, not against the resort’s own totals. How we measure →
Updated: 10 Nov 2026, 12:15
We do not show a snow depth here. The weather model we use reports snow lying on the ground — it knows nothing about grooming or snowmaking, and it is not the base depth a ski area publishes. In Japan we can check our figures against 234 weather stations. Outside Japan there is nothing to check them against, so we do not print a number we have not verified.
| Date | Weather | Snow (cm) | Low / high (°C) | Wind (km/h) |
|---|---|---|---|---|
| Mon 9 Nov | Thunderstorm | 15 | −4 to 4 | 29 |
| Tue 10 Nov | Snow showers | 0 | 2 to 5 | 31 |
| Wed 11 Nov | Snow showers | 1 | 1 to 4 | 15 |
| Thu 12 Nov | Snow showers | 4 | −5 to 3 | 9 |
| Fri 13 Nov | Fog | 0 | −5 to 1 | 10 |
| Sat 14 Nov | Snow showers | 1 | 0 to 6 | 18 |
| Sun 15 Nov | Showers | 0 | −1 to 5 | 11 |
The five add up to the 100-point Powder Score: more fresh snow, more on the way and colder air all push it up. How we measure
Mount Eyak Ski Area, in United States, runs from 124 m at the base to 375 m at the top. Its mapped area is about 1.4 km across, with 15 marked runs and 2 lifts (about 5.6 km of piste in all).
Over the last twelve winters the ERA5 weather model gives it 393 cm of snowfall a season, 186th (tied) of 3,069 worldwide and 31st in the United States. It swings a lot from year to year: the biggest winter, 2021/22 (617 cm), brought more than twice as much as the leanest, 2014/15 (219 cm). December brings as much snow as January here (109 and 104 cm on average).
Counted from the runs and lifts drawn on OpenStreetMap, within the boundary of the ski area. These are not the resort’s own published figures.
Only 15% of the vertical on the runs descends to the north or east. The most common direction is west (68%).
See past trail maps on Skimap.org ↗
Source: OpenSkiMap (© OpenStreetMap contributors, ODbL 1.0). How finely ski areas are drawn varies by region, so treat the counts as indicative. Vertical is the difference between the highest and lowest points of the mapped runs and lifts.
This ski area does not put a camera on its own slopes. What follows are nearby cameras, not the pistes themselves.
Footage remains the copyright of each operator. JAPANSNOWLINE neither stores nor redistributes it.
Some cameras here are provided by Windy.com. Footage plays in Windy’s own player; we do not store it. Windy.com
Modelled from weather data the same way at all 3,069 ski areas we cover. These are not the resort’s own published figures.
The most snow falls in December. March brings 82% of January’s snowfall. That is in line with the median for ski areas in the United States (85%). In amount, March brings 85 cm, more than the median of 30 cm.
Across the 12 winters measured, the average is 393 cm, and 6 of them fell short of it. The leanest was 2014/15 with 219 cm; the biggest was 2021/22 with 617 cm (2.8 times as much). For 33% of the 534 ski areas in the United States the leanest winter was 2015/16; here it was a different one.
Snowfall each winter (December–March total). The dashed line is the average; the numbers mark the leanest and the biggest winter.
The weather map, and where it sits among nearby ski areas.
Other booking sites: Booking.com ↗ · Agoda ↗
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