Rusutsu is starting to hint at winter without committing. The forecast is worth watching, but not yet worth packing skis for. The mountain needs several proper systems before this becomes skiable. Koyo trips win this part of the calendar. Not long now, but not yet.

Rusutsu is outside its usual snow season right now.
A typical season here runs November to March, peaking in December, with around 14m of snow in total.
That makes Rusutsu the 11th snowiest of 33 Hokkaido resorts we have reviewed.
Estimated cumulative fresh snowfall at major on-mountain ski areas; actual totals vary substantially by resort, elevation, measurement location, and season.
Read the freezing level before the snowfall total. Here, northwest flow off the Sea of Japan is the pattern to watch, so the useful question is how cold and calm the next window stays. With a 400 to 994 metre elevation band and 594 metres of vertical, the sheltered trees make modest reloads feel deeper than the raw number. A seasonal baseline around 14 metres means the headline numbers can be real storm signals rather than background noise. The swing variable is whether the snow line stays below the 400 metre base through the storm. If you are looking beyond the ropes, only chase that angle when the forecast also shows settled wind and stable visibility. Chase it when 15 to 25 cm lands cold to the base; skip it when the forecast shows a warm lower mountain.
See which resorts in Hokkaido are getting the best 24 hour totals and the next two days of snow.